On March 26, 2026, traders mulled Wave's weak high-dose obesity results against the company's large market opportunity.

Stock Market Today: The Dow Jones index rose Wednesday after Trump said Iran's new president is asking for a ceasefire.

Valuation trends suggest the stock market could be topping out. While parallels between the AI revolution and dot-com boom can make some sense, there are notable differences between these two periods.

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at ...

I recently gave a presentation to some new colleagues from the Center for Research in Security Prices, an affiliate of the University of Chicago acquired by Morningstar. One of my slides highlighted ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at ...

The U.S. stock market has become so concentrated that even broad index funds are no longer well diversified, our columnist says. By Jeff Sommer Jeff Sommer writes Strategies, a weekly column on ...