Super Micro Computer, Albemarle, APA Corp., Nvidia and Enphase Energy were the five biggest losers for the S&P 500 index on the stock market today.
Super Micro stock plunged 13% to 36.07, back below the 50-day moving average. The sell-off in SMCI stock and AI hardware plays such as Nvidia began long before the broader market tumbled on tariff fears.
On Monday, Singapore said it's probing whether servers shipped to Malaysia containing Nvidia chips barred from China ended up in the mainland. The servers in question came from Nvidia partners Super Micro and Dell Technologies. The U.S. has been looking into whether China AI startup DeepSeek got advanced AI chips in this manner.
Albemarle stock dived 9.2% to 69.95, the lowest since May 2020. Lithium prices have plunged in recent years as demand has lagged production amid slower-than-expected adoption of electric vehicles.
APA stock sold off 8.7% to 18.89, the lowest since September 2021. The U.S. energy producer skidded as OPEC+ said it would roll back crude oil production cuts, sending prices tumbling.
Nvidia stock gave up 8.7% to 114.06, falling intraday to the lowest in nearly six months.
Enphase stock slumped 7.8% to 52.97, the worst since July 2020.
Meanwhile, Dell stock wasn't one of the five biggest losers, but skidded 7% to 95.56, the lowest since last August.
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