Nvidia stock sank after a surprise disclosure it would take a hit north of $5 billion following new chip export restrictions.

Technology stocks were getting hammered on Wednesday, led by a 6.4% decline in shares of Nvidia Corp., after signs that tighter U.S. government controls on exports of chips used for artificial ...

U.S. stocks are back in the red on Wednesday, and the S&P 500 has wiped out gains from earlier in the week. That's why JJ Kinahan, CEO of Tastytrade, said Wednesday that he's keeping a close eye on ...