Goldman Sachs recently updated its long-term forecast to account for the S&P 500's historically expensive valuation and ...

News from China upset U.S. markets this week and disrupted the frenzy that had built up around artificial intelligence. A company called DeepSeek announced that it had developed a large language model ...

Trump tariffs of 25% on Mexico and Canada, and 10% on China, will take effect Saturday, the White House confirmed, stopping an S&P 500 rally.

The S&P 500 and Dow were slightly lower on Friday, with indexes losing ground in afternoon trading after the White House said U.S. President Donald Trump will implement on Saturday tariffs of 25% on ...

Solid results from Apple are buoying spirits, as investors brace for PCE inflation and weigh Trump's renewed tariff threat.

The U.S. stock market appeared on pace to mostly fall this week, after tariff worries derailed the S&P 500’s attempt at a weekly gain. The S&P 500 was on track to fall 1.1% this week, while the Nasdaq ...

The S&P 500 declined by 0.5% on Friday, Jan. 31, as investors digested the White House’s proposed tariffs on Canada, China, and Mexico.

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The U.S. stock market was mostly up in midday trading Friday, with the S&P 500 trading near its record closing high as its technology sector climbed sharply. The S&P 500 was up 38 points around midday ...

The S&P 500 wiped out its weekly losses and the Nasdaq 100 rose almost 1.5% as Apple Inc. gave a reassuring forecast ...

Thus, this chart could provide a stark warning that stock prices are being driven more by investor optimism than the underlying value of these stocks, exactly the kind of market condition that Buffett ...