US Stocks Rally as Midterm Results Lift Sentiment, AI Chip Stocks Face Fresh Pressure

Markets Welcome Political Shift as Oil Falls Below $100 and FTSE 100 Breaks Records

Global markets are reassessing the economic and investment implications of the US congressional midterm results, with the political outcome initially triggering a powerful relief rally across equities. The Dow Jones surged 3%, the S&P 500 gained 1.5%, and the Nasdaq advanced 0.9%, as investors welcomed the prospect of stronger congressional oversight and a potential moderation of policy uncertainty.

The rally is now becoming more selective. While major technology platforms and hyperscalers benefited from expectations of lower future AI infrastructure spending, semiconductor stocks and data-centre operators came under renewed pressure. Meanwhile, Brent crude has fallen below $100 per barrel as the absence of further escalation in the Middle East and prospects for additional export infrastructure reduce some of the market’s supply concerns.

In Europe, the FTSE 100 has moved above its February record high despite weakness among UK oil majors. UK gilt yields are falling ahead of the Bank of England’s expected interest-rate increase, while sterling remains above $1.3450 against the US dollar, extending its monthly advance to approximately 2%.

Market Snapshot

US Midterm Results Trigger a Relief Rally Across Equities

The congressional results have provided an immediate boost to investor sentiment. Markets appear to be interpreting Democratic control of Congress as a potential constraint on the administration’s policy agenda, reducing concerns about further political disruption and creating expectations of greater legislative oversight.

The scale of Wednesday’s equity gains was notable. Moves of this magnitude are more commonly associated with major economic releases or unexpected central-bank decisions than political developments. This time, the rally reflected a reassessment of political risk and the possibility that the most disruptive policy uncertainty may be easing.

However, the initial reaction may prove difficult to sustain. US equity futures indicate a more cautious opening for the S&P 500 and Nasdaq, while Dow futures suggest a slower continuation of the rally.

The next phase is likely to depend less on the political result itself and more on corporate earnings, economic growth, interest-rate expectations and the outlook for investment spending.

AI Investment Faces a Political and Commercial Reassessment

The AI trade is becoming increasingly divided between companies providing the infrastructure and the large technology platforms financing its development.

Democratic control of Congress could increase scrutiny of data-centre construction, electricity consumption, infrastructure requirements and the wider economic impact of rapid AI investment. This introduces another potential obstacle for companies whose valuations depend heavily on continued expansion in AI-related capital expenditure.

CoreWeave has fallen sharply, reaching a fresh 12-month low after another 9% decline. The weakness reflects concerns that the pace of data-centre development could face additional regulatory and commercial constraints.

The US semiconductor index has also struggled, falling 3% in the latest session and approximately 20% over the past month. Nvidia and AMD have been among the companies affected by the broader reassessment of the sector.

The issue is not necessarily that demand for AI technology is disappearing. Rather, investors are questioning how quickly infrastructure investment can grow, how much capital will be required and whether projected returns will justify the spending.

Why Hyperscalers Could Benefit From Slower AI Infrastructure Spending

The strongest development within the technology sector is the contrasting performance of hyperscalers and semiconductor companies.

Amazon, Alphabet, Apple and Microsoft advanced sharply as investors considered the possibility that a slower AI infrastructure buildout could improve cash generation for the largest technology platforms.

The logic is financial. Hyperscalers have committed substantial capital to data centres, computing infrastructure and AI capacity. If regulatory scrutiny or commercial considerations slow the pace of new development, some of that planned expenditure could be delayed or reduced.

This could preserve cash, improve free cash flow and provide greater flexibility for capital allocation.

For companies that have been investing aggressively, a moderation in capital expenditure may therefore be interpreted positively, even if it reflects a more cautious outlook for the wider AI infrastructure market.

The distinction is important: investors may continue to support the long-term commercial potential of AI while becoming more selective about which companies benefit financially from its development.

Can the Market Rally Broaden Beyond Technology?

The midterm results and growing scrutiny of AI investment have also raised the possibility of a broader rotation across US equities.

Semiconductor stocks have become cheaper relative to the wider market following their recent decline, but lower valuations have not yet generated a convincing return of buying interest.

At the same time, other sectors are attracting attention as investors reconsider the concentration of capital in a relatively narrow group of technology companies.

The S&P 500 price-to-earnings ratio is around 18, below its longer-term averages according to the supplied market assessment. This suggests that valuations across the wider market may offer opportunities beyond the most heavily traded AI names.

A sustained broadening of market participation would be a healthier development than a rally driven by a small number of large technology companies. However, confirmation will require continued earnings resilience and evidence that investors are prepared to allocate capital across a wider range of sectors.

Brent Crude Falls Below $100 as Middle East Risk Premium Eases

Oil is emerging as one of the markets where the political developments could have a longer-lasting impact.

Brent crude has moved below $100 per barrel, reaching its lowest level since the end of August. The decline reflects the absence of further escalation in the Middle East and renewed attention on diplomatic efforts surrounding the conflict with Iran.

Reports indicate that diplomatic discussions are continuing, with further developments expected to emerge. Any credible progress towards de-escalation could reduce the geopolitical premium embedded in oil prices.

Supply resilience is also becoming increasingly important.

The UAE is considering the development of a third oil export pipeline designed to provide an additional route that avoids the Strait of Hormuz. The proposal has not been finalised, but it highlights the importance of alternative infrastructure for regional producers.

If implemented, additional export capacity could reduce the vulnerability of oil flows to disruption around the Strait of Hormuz. This would not eliminate geopolitical risk, but it could strengthen the region’s ability to maintain exports during periods of instability.

For oil markets, the combination of diplomatic progress and improved export flexibility could keep prices under pressure.

UK Markets: FTSE 100 Breaks Records Ahead of Bank of England Decision

The UK equity market is demonstrating resilience despite weakness among major oil producers.

The FTSE 100 has moved above its February record high, suggesting that strength across other index constituents is more than offsetting pressure from UK-listed energy companies.

Sterling remains above $1.3450 against the US dollar and has gained approximately 2% over the past month. The currency’s performance reflects its recent strength, although the Bank of England’s policy decision and accompanying economic forecasts could influence its next direction.

Gilt yields are falling ahead of the expected interest-rate increase. This suggests that investors may be looking beyond the immediate policy decision towards the Bank’s assessment of the economic outlook and the likely path of rates thereafter.

The key question is whether the expected increase represents a one-off adjustment or the beginning of a more persistent tightening cycle.

If the Bank signals that further increases are unlikely, sterling could lose some of its recent momentum, with GBP/USD potentially moving back towards $1.34.

Bullish Sentiment

1. Reduced political uncertainty: Democratic control of Congress may constrain further policy disruption and improve investor confidence.
2. Strong US equity performance: The Dow, S&P 500 and Nasdaq have all advanced, demonstrating broad initial relief following the midterm results.
3. Hyperscaler cash-flow potential: Slower AI infrastructure spending could reduce capital expenditure pressure and support free cash flow.
4. Lower oil prices: Brent trading below $100 could ease energy-cost pressures and support broader economic sentiment.
5. FTSE 100 resilience: The UK benchmark has broken above its February record despite weakness in oil majors.
6. Potential market broadening: More attractive valuations outside the largest technology companies could encourage wider participation in the equity rally.

Bearish Sentiment

1. AI infrastructure uncertainty: Greater political and regulatory scrutiny could delay data-centre projects and weaken investment expectations.
2. Semiconductor weakness: The US semiconductor index has fallen approximately 20% in a month, highlighting the scale of the sector’s correction.
3. Data-centre operator pressure: Companies dependent on rapid infrastructure expansion remain vulnerable to changes in capital expenditure and regulatory conditions.
4. Political optimism may fade: The initial relief rally could lose momentum as investors return their attention to earnings and economic fundamentals.
5. Oil supply risks remain: Diplomatic progress is not guaranteed, and regional infrastructure plans have not yet been finalised.
6. Bank of England uncertainty: The policy decision and economic forecasts could create renewed volatility in sterling and UK government bonds.

Price Forecast: What Traders Are Watching

US Equities

The immediate political relief rally has improved sentiment, but the sustainability of the move will depend on whether participation broadens beyond the largest technology companies.

Traders will be watching the performance of semiconductor stocks, data-centre operators and hyperscalers for evidence of whether the current rotation is becoming more established.

A continued decline in chip stocks alongside strength in major technology platforms would reinforce the view that investors are prioritising cash generation over aggressive infrastructure expansion.

Brent Crude

Brent’s move below $100 places greater emphasis on the diplomatic outlook and the resilience of regional export infrastructure.

Further progress towards de-escalation could maintain downward pressure on prices. Conversely, renewed disruption around the Strait of Hormuz could quickly restore a geopolitical risk premium.

GBP/USD

Sterling’s position above $1.3450 reflects its recent strength, but the Bank of England’s forward guidance will be important.

If policymakers indicate that the expected rate increase is a one-off, GBP/USD could retreat towards $1.34. A more hawkish assessment could provide additional support for the pound.

Supply Outlook

The oil supply outlook is increasingly influenced by the possibility of alternative export infrastructure in the Middle East.

The UAE’s consideration of a third export pipeline could strengthen regional supply resilience by reducing dependence on routes through the Strait of Hormuz. However, the proposal remains under consideration and should not yet be treated as additional operational capacity.

For the technology sector, the supply outlook is more closely linked to the availability of data-centre infrastructure, semiconductor capacity and the regulatory environment governing new projects.

Any slowdown in infrastructure development could change the timing of demand for chips and related equipment, even if longer-term AI adoption continues.

Demand Outlook

Demand conditions remain central to the outlook for equities and commodities.

For US stocks, investors will be looking for evidence that economic growth and corporate earnings can support valuations without relying exclusively on continued expansion in AI investment.

For oil, lower geopolitical risk and improved supply flexibility could weigh on prices, although the wider economic outlook will remain important.

For technology companies, the distinction between demand for AI services and demand for new infrastructure is becoming increasingly relevant. Hyperscalers may benefit from stronger cash generation if infrastructure spending moderates, while chipmakers could face a more challenging near-term investment cycle.

Market Outlook for the Coming Sessions

The immediate political rally is likely to give way to a more fundamentals-driven trading environment.

US equities will need to demonstrate that gains can extend beyond a narrow group of technology companies. The semiconductor sector remains vulnerable to further reassessment, while hyperscalers could continue to attract interest if investors favour stronger cash generation and more disciplined capital expenditure.

Oil prices will remain sensitive to developments in the Middle East, particularly diplomatic progress and the outlook for alternative export routes. Brent remaining below $100 would support the argument that some geopolitical risk premium is being removed from the market.

In the UK, the Bank of England decision and its economic forecasts will be the main near-term drivers for sterling and gilt yields. A signal that the expected rate increase is a one-off could limit further pound appreciation.

The broader market direction will ultimately depend on whether political relief can be translated into stronger confidence in growth, earnings and corporate investment.

Today Markets Analysis

The midterm results have created a clear shift in market sentiment, but the more important development is the changing composition of the equity rally.

Investors are beginning to distinguish between companies that benefit from AI adoption and those that depend on an uninterrupted expansion of infrastructure spending. This distinction could become increasingly important as regulatory scrutiny grows and capital allocation comes under greater pressure.

The decline in oil prices is another significant development. If diplomatic progress continues and regional producers strengthen export resilience, energy markets could enter a period of reduced geopolitical risk premium.

However, neither the AI investment cycle nor Middle Eastern supply risks have been resolved. The coming sessions will test whether the current market rotation represents a lasting change in investor positioning or simply a short-term reaction to political developments.

Currency Hedger View

The combination of lower oil prices, changing interest-rate expectations and political developments creates important considerations for businesses managing international currency exposure.

For UK importers purchasing goods or commodities priced in US dollars, a stronger pound can reduce the sterling cost of future payments. However, businesses receiving dollar revenues may see the sterling value of those receipts decline when the pound appreciates.

Lower oil prices may also reduce energy-related import costs for businesses purchasing in foreign currencies, although the final benefit will depend on the currency of settlement and the timing of payments.

For companies with significant dollar-denominated purchases, supplier commitments or overseas revenues, movements in GBP/USD can have a direct impact on cash flow and operating margins.

Currency Hedger helps businesses assess deliverable foreign-exchange exposure, manage cross-border payment requirements and explore appropriate currency-risk management strategies.

Manage your currency exposure:

• Open a Currency Hedger account
• Visit Currency Hedger

Disclaimer

This article is provided for general market information and educational purposes only. It does not constitute investment advice, financial advice, a recommendation or an offer to buy or sell any financial instrument. Market prices and economic conditions can change rapidly. Forecasts and market commentary are conditional assessments and are not guarantees of future performance. Trading financial instruments involves risk and may not be suitable for all investors. Businesses should seek appropriate professional advice when assessing their commodity and foreign-exchange exposures.

Register a Revolut Business Account