Shares of lung cancer-focused biotech Summit Therapeutics ( SMMT 10.72%) rallied 16.6% at its highs of the day before ...

Stanley Black & Decker ( SWK -9.53%) declined by more than 11% in trading at noon ET today. The fall comes as the market sold ...

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The crypto token XRP ( XRP -5.38%) is trading lower on Thursday, losing 4.9% as of 1 p.m. ET despite jumping as much as 5.4% ...

Apple stock is falling today after the White House said that its tariff rate on China is actually 145% and not 125%. The tech giant relies on manufacturing operations in China to produce iPhones and ...

Advanced Micro Devices ( AMD -8.63%) stock saw a day of big sell-offs Thursday. The semiconductor company's share price wound up down 8.4% in a day of trading that saw the S&P 500 fall 3.5% and the ...

But on Thursday, U.S. Steel stock took a tumble, trading down by 7.9% as of 12:11 p.m. ET. The reason for that slide wasn't ...

Boeing (BA -3.39%) stock continued its recent turbulent ride with a decline Thursday morning: As of 12:30 p.m., it was off by ...

Intel's stock is feeling pressure from the ongoing trade war with China as well as a Reuters report today that revealed its ...

Shares of Tesla ( TSLA -7.12%) are falling on Thursday. The electric vehicle maker's stock lost 9.5% as of 11:50 a.m. ET ...

Semiconductor stocks, including Broadcom's, are also likely reeling as investors process the news that China and the U.S. are ...