Chip stock surge is good omen for S&P 500, tech

Semiconductor supplies to Huawei have been targeted by Washington as part of the broader U.S.-China trade war.
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Chip stocks are on fire with the PHLX Semiconductor index up about 10 percent in two weeks. What does that mean for the stock market and the rest of the technology industry?

Using Kensho, a hedge fund analytics tool, we screened for the top performing markets and securities after the PHLX Semiconductor ETF (SOXX) rose 10 percent or more in 30 trading days during the last decade.