Semiconductor, storage, and optical communication stocks decline in pre-market trading

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Semiconductor, storage, and optical communication stocks declined in pre-market trading on July 16, 2026, amid a drop in the Fear & Greed Index. Arm, TSMC, and AMD fell between 1.62% and 4.70%. Western Digital and SK Hynix ADR dropped over 6%, while Astera Labs and Coherent declined 3.61% to 4.45%. Trading volume in the sector remained elevated as investors responded to mixed earnings and macroeconomic signals.

ChainThink reports that, as of July 16, according to BIT market data, semiconductor, memory, and optical communications stocks in the U.S. pre-market session generally declined.

Among semiconductor stocks, Arm fell 4.70%, TSMC fell 4.52%, Marvell Technology fell 3.77%, AMD fell 3.25%, Lam Research fell 3.12%, and NVIDIA fell 1.62%.

Storage sectors led the declines, with Western Digital down 7.13%, SK Hynix ADR down 6.66%, SanDisk down 6.69%, Seagate Technology down 5.46%, and Micron Technology down 4.11%.

Optical communication stocks declined in tandem: Astera Labs fell 4.45%, Coherent dropped 4.43%, Corning fell 4.19%, Applied Optoelectronics declined 3.98%, Nokia dropped 3.82%, and Credo fell 3.61%.

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