U.S. stocks settled lower on Friday, with the S&P 500 logging its worst week since March 2023. Megacap tech stocks moved ...

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.

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 NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

The rest of the stock market could finally catch up to the Magnificent Seven this year—and it has nothing to do with DeepSeek ...

So-called Big Tech stocks with outsized weightings in the S&P 500 were rising sharply Wednesday, with gains led by Nvidia Corp. The Roundhill Magnificent Seven ETF, whose portfolio equally weights ...

The S&P 500 rallied to record highs on Thursday after President Donald Trump called for lower interest rates and cheaper oil prices. The broad market index added 0.53%, notching an all-time intraday ...

S&P 500 futures are near flat Thursday night as investors analyzed earnings reports from Apple and other well-known companies ...

The S&P 500 is one of the most widely followed stock indexes, and its performance is used as a benchmark for the stock market at large. Here's what it is, how it works, and why it's important.