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 ...

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

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 ...

After massive gains yesterday, stocks fell today as investors digested everything that's happened over the past week. Tensions between the U.S. and China remain high, and many tariffs are still in ...

Following huge gains in yesterday's trading, Palantir Technologies ( PLTR -3.79%) stock is losing ground Thursday. The company's share price was down 3.9% as of 10:15 a.m. ET. At the same point in the ...

According to a report published yesterday by DigiTimes, a Taiwan-based newspaper, Micron could move to raise prices on products sold in the U.S. due to the new tariff policies. Micron is headquartered ...

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Taiwan Semiconductor Manufacturing ( TSM -4.89%) stock is sinking rapidly Thursday. The company's share price was down 4.3% as of 2:45 p.m. ET. Meanwhile, the S&P 500 ( ^GSPC -3.29%) was down 2.8%, ...

Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer.

Additionally, Microsoft investors are likely processing news from yesterday that said the company may be cutting additional jobs next month, as well as its decision to scale back some data center ...

Shares of Newsmax Media ( NMAX -24.63%) are plunging on Thursday. The media company's stock lost 23.5% as of 1:40 p.m. ET and was down as much as 24.5% earlier in the day. The steep decline comes as ...