Oil Shock and AI Spending Fears Pressure Risk Assets

Markets sold off as two separate worries hit risk appetite at the same time: escalating US-Iran tensions pushed Brent crude above $100, while investors questioned whether huge AI capital spending will translate into enough near-term profit growth. Stocks fell broadly, led by megacap tech weakness, while Treasury yields climbed to fresh year-to-date highs as higher energy prices revived inflation concerns and increased market-implied odds of Fed rate hikes. The dollar rose, crypto slipped, and gold declined despite the geopolitical backdrop, suggesting the dominant market reaction was tighter financial conditions rather than a classic safe-haven bid.

Key Headlines & Market Movers:

• Oil Spike Reprices Inflation and Fed Risk: Brent crude briefly topped $100 as Middle East tensions intensified, including renewed concerns over Houthi attacks and potential US retaliation against Iran. The move reignited fears that higher energy costs could feed into inflation, pressure consumers, and delay any relief from the Fed. Markets now see a much higher chance of rate hikes, with the 10-year Treasury yield rising to around 4.70%, its highest level of the year.
• AI Capex Concerns Hit Megacap Tech: Alphabet fell sharply despite solid results after raising its full-year capital spending outlook, reinforcing worries that AI investment is becoming a margin and free-cash-flow headwind. Tesla also sold off heavily after profit disappointed, adding to pressure across the Magnificent Seven. With other hyperscalers set to report soon, investors appear increasingly sensitive to whether AI spending is producing measurable revenue growth or simply raising execution risk.

Geopolitics Creates Clear Sector Winners and Losers: Defense stocks rallied after Lockheed Martin and RTX raised full-year sales forecasts, reflecting stronger demand tied to global security tensions. Airlines moved the other way, with American Airlines cutting earnings guidance as higher fuel costs weigh on profitability. The split underscores how the same geopolitical shock can support defense budgets while pressuring consumer-facing and transportation sectors through higher energy costs.

S&P 500 Sector Performance

Looking Ahead

The next major test is whether upcoming megacap earnings can reassure investors that AI spending is translating into durable growth, especially after Alphabet’s capex update triggered a sharp negative reaction. Markets will also stay highly sensitive to oil headlines and any signs of further escalation involving Iran, the Houthis, or Red Sea shipping, since another leg higher in crude could further tighten financial conditions. With the Fed meeting approaching, policymakers’ tone on energy-driven inflation will be critical, particularly as markets have rapidly moved from expecting relief to pricing meaningful odds of additional hikes.