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All three major U.S. stock indexes closed lower, with semiconductor, memory, and optical communication sectors leading the decline; the Philadelphia Semiconductor Index dropped 4.65%.

All three major U.S. stock indexes closed lower, with semiconductor, memory, and optical communication sectors leading the decline; the Philadelphia Semiconductor Index dropped 4.65%.

BlockBeatsBlockBeats2026/07/07 23:41
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BlockBeats News, July 8, according to BIT(bit.com) market data, the United States has resumed military strikes and oil sanctions against Iran. As a result, all three major U.S. stock indexes closed lower, with the Dow Jones down 0.25%, the Nasdaq down 1.16%, and the S&P 500 Index down 0.45%. Semiconductor and storage sectors declined, with the Philadelphia Semiconductor Index down 4.65%, and SpaceX falling nearly 7%, reaching its lowest point since its IPO.


The U.S. stock storage sector led the decline, with Western Digital (WDC) down 7.86%, Seagate Technology (STX) down 4.68%, Micron Technology (MU) down 4.71%, and SanDisk (SNDK) down 7.26%.


Semiconductor stocks generally moved lower, with Lam Research (LRCX) down 6.87%, Applied Materials (AMAT) down 6.46%, Marvell Technology (MRVL) down 7.45%, KLA (KLAC) down 7.22%, AMD (AMD) down 6.51%, and Intel (INTC) down 9.66%.


Optical communication concept stocks also came under pressure in pre-market trading, with Astera Labs (ALAB) down 11.12%, Ciena (CIEN) down 3.44%, Coherent (COHR) down 6.43%, Lumentum (LITE) down 4.42%, and Corning (GLW) down 4.84%.

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