Stock index futures were lower on Thursday, with Nasdaq futures bottoming the pack as tech stocks came under pressure after Marvell Technology (MRVL) results. S&P 500 futures (SPX) -1%, Nasdaq 100 futures (US100:IND) -1.

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.

Marvell Technology (MRVL) stock plunged about 15% in Wednesday’s extended trading session despite the chipmaker’s better-than-expected results