Storage and semiconductor stocks decline in pre-market trading; Western Digital drops over 16%.

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On August 6, 2026, the Fear & Greed Index declined as storage, optical communication, and semiconductor stocks dropped in pre-market U.S. trading. Western Digital (WDC) fell 16.06%, SanDisk (SNDK) declined 11.09%, and SK Hynix (SKHY) lost 7.01%. Micron Technology (MU) and Seagate Technology (STX) also posted losses. Semiconductor names including Marvell (MRVL), Intel (INTC), and Arm (ARM) dropped between 1.85% and 2.14%. Optical communication stocks such as AAOI, CRDO, and ALAB also slid. The digital asset market remained volatile amid broader risk-off sentiment.

Huo Xing Finance reports that on August 6, according to BIT (bit.com) market data, ahead of Thursday’s U.S. market open, storage, optical communication, and semiconductor stocks generally declined. The storage sector led the losses, with Western Digital (WDC) down 16.06%, SanDisk (SNDK) down 11.09%, SK Hynix (SKHY) down 7.01%, Micron Technology down 5.79%, and Seagate Technology (STX) down 5.57%. Most semiconductor stocks also fell, with Marvell Technology (MRVL) down 2.14%, Intel (INTC) down 1.89%, and Arm (ARM) down 1.85%. Optical communication stocks declined broadly, with Applied Optoelectronics (AAOI) down 1.66%, Credo (CRDO) down 1.45%, and Astera Labs (ALAB) down 1.37%.

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