(Updates)
** Shares of U.S. AI stocks fall in premarket trade after
surging popularity of Chinese discount AI model wobbles
investors' faith in the technology's profitability
** Startup DeepSeek rolled out a free assistant it says uses
lower-cost chips and less data, sparking worries about profits
of rivals and the need for costly tech
** Dominant AI chipmaker Nvidia NVDA.O down 11.8%, AI
server maker Super Micro SMCI.O down 8.9% and Dell DELL.N
down 7.2%
** Broadcom AVGO.O down 13%
** Microsoft MSFT.O down 5.9%, Alphabet GOOGL.O down
3.8%, Meta META.O down 4%, and Oracle ORCL.N down 6.4%
** Chipmaker Marvell Technology MRVL.O and Advanced Micro
Devices AMD.O fall 14.8% and 4.6%, respectively
** Shares of chip-making equipment companies down; Applied
Materials AMAT.O down 5%, Lam Research LRCX.O down 5.4% and
KLA Corp KLAC.O down 4.3%
** Palantir Technologies PLTR.O falls 5.9%
** Smaller AI stocks C3.ai AI.N down 6% and BigBear.ai
BBAI.N down 5.1%
** Energy firms, which plan on powering AI data centers,
fall: Vistra VST.N and Constellation Energy CEG.O down 12.3%
and 12.7%, respectively
** U.S.-listed shares of Arm Holdings ARM.O and TSMC
TSM.N fall 10% each
(Reporting by Pranav Kashyap in Bengaluru)
((Pranav.Kashyap@thomsonreuters.com; +919886482111;))