U.S. semiconductor sector plunges; AMD and SanDisk fall over 10%

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The Fear and Greed Index dropped sharply as the U.S. semiconductor sector declined on November 5, 2026. The Philadelphia Semiconductor Index fell 5.68%, with AMD, SanDisk, and Qualcomm down 10.23%, 10.90%, and 10.33%, respectively. Arm, Western Digital, and Seagate each lost more than 9%. Micron and SK Hynix declined 7.43% and 7.21%, while NVIDIA fell 3.96%. TSMC and Broadcom dropped 5.40% and 4.87%. The triple-leveraged semiconductor ETF plunged 18.22%, signaling increased volatility in the digital asset market.

ChainThink reports that on November 5, according to MSX.COM data, all U.S. semiconductor stocks declined, with the Philadelphia Semiconductor Index falling 5.68%.

AMD, SanDisk, and Qualcomm fell 10.23%, 10.90%, and 10.33%, respectively. Arm declined 9.46%, Western Digital fell 9.59%, and Seagate Technology dropped 9.56%.

Micron Technology fell 7.43%, SK Hynix fell 7.21%, NVIDIA fell 3.96%, TSMC fell 5.40%, and Broadcom fell 4.87%. The 3x Long Semiconductor ETF fell 18.22%.

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