** Shares of AI chip giant Nvidia fall 3% to $104.64 in premarket trading
** A Bloomberg News report showed U.S. Department of Justice sent subpoena to NVDA, deepening probe into co's antitrust practices
** Officials worried NVDA's making it harder to switch to other suppliers, penalizes buyers that do not exclusively use its AI chips - report
** Stock tumbled 9.5% on Tue, marking its steepest single-day decline of $279 bln in market value for a U.S. co, in a broad-based market decline following tepid economic data
** A gauge of chip stocks- Philadelphia SE Semiconductor index logged its biggest one-day decline since march 2020 on Tue
** Other chip stocks such as Arm Holdings , U.S.-listed shares of Taiwan Semiconductor Manufacturing Co
, Marvell Technology and Broadcom down over 1% each in premarket
** "Although clearly this tech juggernaut has much further to run, the speed at which it's going to go is being questioned. The biggest wobble shook chip darling NVDA, which had already disappointed by not shattering expectations by its last earnings report," said Susannah Streeter, head of money and markets, Hargreaves Lansdown
** NVDA shares up over two fold so far in 2024, significantly outpacing its megacap peers and steering 14% and 16% jump in Nasdaq and S&P 500 , respectively
(Reporting by Ankika Biswas in Bengaluru)
((Ankika.Biswas@thomsonreuters.com, +917044940911))
