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 ...

Nvidia stock tumbled after DeepSeek's AI news surfaced in tech circles. Read more about the impact the DeepSeek developments ...

A dip into historical data shows that the stock market has responded differently under Republican and Democrat presidents.

DeepSeek's rise could challenge the sustainability of Big Tech earnings growth, a key pillar of the bull market rally.

Warren Buffett's historic $127 billion warning to Wall Street happens to align with another stock market alarm. Specifically, ...

Nvidia shares plunged Monday amid concerns that a powerful, cost-efficient AI model developed by Chinese startup DeepSeek ...

If you're holding or planning to buy Bitcoin (CRYPTO: BTC), there's a chart you need to see and understand. Bitcoin is a ...

U.S. investors looking at global index funds might start singing the 1985 song referenced above. American stocks now account ...

One chart encapsulates why mega-cap tech stocks have dominated the broader stock market over the past few years. Goldman Sachs this week provided this striking chart, which measures the trailing ...

The trends on Gift Nifty also indicate a tepid start for the Indian benchmark index. The Gift Nifty was trading around 23,150 ...

A cheaper, competitive AI model from Chinese artificial intelligence company DeepSeek sparked a sell-off in the S&P 500 (^GSPC) and Nasdaq Composite (^IXIC) on Monday as it challenged one of the key ...