** Shares of U.S. semiconductor companies rally in premarket
trading after upbeat sales forecast from chip-making tools
supplier Lam Research LRCX.O
** LRCX forecasts quarterly revenue above Wall Street
estimates, betting on a surge in demand fueled by rising
adoption of artificial intelligence (AI) technology; shares jump
3.6% before the bell
** Nvidia NVDA.O , Advanced Micro Devices AMD.O , Broadcom
AVGO.O , Micron Technology MU.O and Marvell Technology
MRVL.O gain between 1.5% and 3.7%
** Shares in Taiwan Semiconductor Manufacturing 2330.TW
closed 0.5% higher in Asia trading, while its U.S.-listed shares
TSM.N gain 1.3% premarket
** Intel INTC.O up 1.3%, while chip equipment maker
Applied Materials AMAT.O up 2.7%
** European chipmakers also rise after reporting a series of
earnings, with ASM International ASMI.AS , BE Semiconductor
BESI.AS and ASML Holding ASML.AS advancing between 3.9% and
8.2%
** AI-linked firms including C3.ai AI.N , Palantir
Technologies PLTR.N , SoundHound AI SOUN.O , Guardforce AI
GFAI.O and BigBear.ai Holdings BBAI.N gain between 1% and 5%
premarket
** AI optimism has pushed the Philadelphia SE Semiconductor
index .SOX up 46% YTD, outperforming the S&P 500 .SPX which
has gained ~19% during the same period
(Reporting by Shreyashi Sanyal)
((Shreyashi.Sanyal@thomsonreuters.com))