Chip Stocks Sink as Traders Rotate Into ‘Old Economy’ Stocks

US equities plunged Thursday as a rotation out of chipmakers deepened and investors looked past the initial relief rally following the US midterm elections.

The S&P 500 Index fell 1.7%, while Nasdaq 100 fell 3.8%. An exchange-traded fund tracking US-listed semiconductor stocks dropped more than 7.2%, extending losses from Wednesday. The Dow Jones Industrial Average also declined 0.8%.

Chipmakers and memory stocks remained under pressure amid concerns that a Democratic sweep of Congress could bring tighter regulation of US data centers and weigh on semiconductor demand. Disappointing reactions to earnings from Arm Holdings Plc and Qualcomm Inc. added to the selling pressure. Meanwhile, defensive sectors like consumer staples, utilities and healthcare advanced.

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“The rotation out of chipmakers reflects growing concern about the pace and funding of AI spending due to the risk of more regulations after the blue wave, even as earnings remain resilient and valuations have reset sharply,” wrote Chris Murphy, co-head of derivatives strategy at Susquehanna International Group.

Investors are buying early-2027 call spreads in Nvidia Corp., Taiwan Semiconductor Manufacturing Co., Advanced Micro Devices Inc. and Micron Technology Inc., suggesting they see recovery potential but want more time for confidence to return, according to Murphy.

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