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Oil Spike and AI Cautions Drive Tech Sell-Off

By Stocks Desk · 2026-09-14 · 1 min read
A long pipeline stretching across a desert landscape
Illustration: Tradingbird

Crude prices surged past $100 as Saudi pipeline closures raised inflation fears, while tech stocks fell on AI safety warnings ahead of a likely Fed hike.

Oil prices spiked Monday after Saudi Arabia closed its East-West pipeline following drone attacks, pushing both main crude contracts above $100 per barrel. This supply shock intensified inflationary pressures just as the US Federal Reserve prepares for a widely expected rate hike this week.

The energy price surge coincided with a sharp selloff in technology stocks. Leaders of major AI firms, including Anthropic’s Dario Amodei, called for a slowdown in development, citing risks of recursive self-improvement. These comments, backed by OpenAI and xAI executives, triggered investor caution in the sector.

Supply Disruptions Raise Energy Costs

The closure of the East-West pipeline followed Houthi attacks and a vessel strike in the Strait of Hormuz. Average US diesel prices topped $6 per gallon for the first time, impacting transport and agriculture sectors. Oman has also postponed talks on the strategic waterway, further straining global energy logistics.

AI Safety Concerns Hit Valuations

Amodei’s call to pace AI frontier development warned that unchecked systems could outrun human control. A researcher’s resignation and public statements about existential risk added to the anxiety. Despite opposition from US political figures, traders responded by dumping tech holdings, viewing the sector as increasingly uncertain.

The market reaction was immediate and broad. Tokyo-listed SoftBank dropped more than 10 percent, while Kioxia fell over six percent. South Korean chips like SK hynix and Samsung, along with TSMC, also declined sharply, reflecting a sector-wide retreat from high-risk AI investments.

Monetary Policy Tightens Equity Outlook

With inflation remaining well above the two percent target, the Fed is expected to hike rates. The swaps market implies a 92 percent probability of an increase, with cumulative tightening assumed by year-end. Higher borrowing costs disproportionately affect tech firms relying on debt to finance massive AI infrastructure projects.

Analysts note that a hiking cycle rarely favors risk assets, especially when Treasury yields break new highs. A potential hold in rates carries credibility risks, potentially triggering a sell-off in bonds. The combination of energy inflation and monetary tightening creates a challenging environment for growth stocks.

Based on reporting by Punch Newspapers, compiled by the Tradingbird desk.

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