Regular MarketWatch readers might already be aware that U.S. stocks are historically expensive right now, based on several popular metrics. Some have argued that this could signal that the market has ...

DeepSeek claims its R1 outperforms OpenAI’s latest o1 model despite costing a fraction of the price the U.S. AI lab charges for its large language models.

If you were investing in an NHL team's current situation, which teams would you 'buy', 'sell' or 'hold' on? Adam Proteau says ...

Monday’s DeepSeek sell-off may have rattled investors who picked up shares of a top semiconductor play at any time over the ...

Redwire, Stride Learning, Chili's parent Brinker International have all scored triple-digit rallies. Shares climb on results, ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...

Wall Street had a rough start to the week on concern that a cheap artificial intelligence-model from Chinese startup DeepSeek ...

Higher forward P/E ratios are linked to lower subsequent long-term returns, especially in large-cap, growth and broad equity ...

Decided to add this retail giant to your portfolio? Here's what you need to know before buying Amazon stock. Many, or all, of the products featured on this page are from our advertising partners ...

Intel shares rose again Tuesday after surging more than 12% last week amid speculation the chipmaker is a takeover target. Monitor these crucial chart levels.

Elon Musk and Vivek Ramaswamy were tasked by President-elect Donald Trump to lead an effort to find and cut federal spending.