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 ...

Semperis, a pioneer in identity-driven cyber resilience, today announced it surpassed $100M in annual recurring revenue (ARR), a milestone that fewer than one in every 1,000 venture-backed enterprise ...

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

Here's what S&P sector correlations are telling us about the stock market, according to investment analysis firm DataTrek.