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Story summary
- Investors question whether AI firms can sustain massive capex, fueling market volatility.
- Global stock markets fell while Brent crude rose after Israel and Iran exchanged fire.
- Tech shares Samsung Electronics and SK Hynix fell about nine percent and six percent.
- The S&P 500 fell two percent for the week, ending a nine-week gain streak, as U.S. President Donald Trump urged a ceasefire and criticized Israel’s strike.
