Nvidia stock fell as much as 5% Monday as reports surfaced of the tech giant’s AI chips reaching China, raising investor fears the company might face more scrutiny around its exports.

"While unwelcome, volatility is common in semi stocks and does not always presage a fundamental shift," Bank of America said.

March trading is kicking off with investors bracing for tariffs, the monthly jobs report, and key retail earnings.

For some time now, there have been plenty of reasons to worry about Big Tech stocks. Stretched valuations after a big run up, ...

Stocks erased morning gains and declined by afternoon on Monday as investors awaited President Donald Trump’s tariffs on ...