By George Glover

Mega-cap U.S. tech stocks were higher ahead of the opening bell Tuesday, raising hopes that Monday's brutal selloff won't become a multi-session rout.

IT conglomerate Microsoft was up 0.1% online retailer Amazon.com rose 0.4%, and Google owner Alphabet was up 0.2% in premarket trading. Chip maker Nvidia, electric-vehicle manufacturer Tesla, and Facebook parent Meta Platforms also traded in the green, although shares in iPhone maker Apple were a touch lower.

Each member of the so-called Magnificent Seven had tumbled on Monday as investors fretted that President Donald Trump's tariffs could weigh on growth and spark a flare-up in inflation. The group's losses dragged the S&P 500 2.7% lower, extending the benchmark index's loss for the year to 4.5%.

The selloff has battered tech stocks -- with the artificial-intelligence trade, which has powered much of the broader market's gains since October 2022 -- finally grinding to a halt. It's not clear which sectors or asset classes investors will end up rotating into, although one name that has benefited is Warren Buffett's Berkshire Hathaway. Its shares have risen 9.7% this year, pushing its valuation back above $1 trillion and meaning it has surpassed the likes of Tesla and Broadcom to become the U.S.'s seventh-biggest company by overall market capitalization.

Write to George Glover at george.glover@dowjones.com

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March 11, 2025 06:12 ET (10:12 GMT)

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