** Shares of U.S. AI stocks fall in premarket trade after
surging popularity of Chinese discount AI model wobbles
investors' faith in the profitability of AI
** 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 1.7%, AI
server maker Super Micro SMCI.O down 8% and Dell DELL.N down
7.8%
** Broadcom AVGO.O down 6.9% while smartphone chipmaker
Qualcomm QCOM.O falls 1.8%
** Microsoft MSFT.O down 3.3%, Alphabet GOOGL.O down
3.1%, Meta META.O down 3.8%
** Chipmaker Marvell Technology MRVL.O and Advanced Micro
Devices AMD.O fall 6.6% and 3.7%, respectively
** Shares of chip-making equipment companies down; Applied
Materials AMAT.O down 5.5%, Lam Research LRCX.O down 5.6%
and KLA Corp KLAC.O down 5.5%
** Palantir Technologies PLTR.O falls 5.8%
** Smaller AI stocks C3.ai AI.N down 6.1% and BigBear.ai
BBAI.N down 4.4%
** Energy firms, which plan on powering AI data centers,
fall: Vistra VST.N and Constellation Energy CEG.O down 8.8%
and 7.3%, respectively
** U.S.-listed shares of Arm Holdings ARM.O fall 6.6%,
while those of TSMC TSM.N fall 7.3%
(Reporting by Pranav Kashyap in Bengaluru)
((Pranav.Kashyap@thomsonreuters.com; +919886482111;))