US stocks lose their footing at the open as tariff and AI worries take hold again. Marvell Technology sees a slowdown in data center business.

Shares of Marvell Technology (MRVL 2.05%), which makes semiconductors for the data infrastructure market, dropped 14.9% in Wednesday's after-hours trading session following the co

Stock index futures were lower on Thursday, with Nasdaq futures bottoming the pack as uncertainty regarding Donald Trump's tariff plans continued

Semiconductor stock Marvell Technology Inc (NASDAQ:MRVL) is up 2.7% to trade at $88.13 at last glance, brushing off today's headwinds, though it was earlier on track for its seventh loss in nine days.

Wall Street's main indexes fell on Thursday, led by a decline in chip stocks as Marvell's forecast fanned worries of slowing demand for AI infrastructure, while worries about a trade war unleashed by U.

U.S. stock index futures fell on Thursday as uncertainty about an ongoing global trade war clouded sentiment, while chip stocks took a beating after Marvell Technology's broadly in-line forecast fanned worries of slowing demand for AI infrastructure.

The chipmaker fell sharply early Thursday as its slight earnings outlook failed to impress investors looking for a boost to the AI trade.

Chip stocks were struggling on Thursday following the latest earnings report from Marvell Technology. In a pattern that [has become all too familiar for semiconductor investors](

Dow, S&P 500, and Nasdaq futures are falling in premarket trading Thursday as the stock market faces more turmoil from Trump tariffs ahead of the latest jobs data.

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

Investing.com - Shares in Marvell (NASDAQ:MRVL) slumped by more than 15% in premarket U.S. trading on Thursday after the chipmaker’s financial guidance and quarterly results failed to excite investors hoping for strong artificial intelligence-driven growth.