The S&P 400 MidCap Index tends to go further down the market-cap ladder, favoring small cap stocks that tend to be more volatile than more established mid-cap stocks. Small-cap companies ...

The Nasdaq and other major indexes rebounded on Tuesday, recovering from the sharp sell-off triggered by DeepSeek’s crash, ...

The U.S. stock market has reached a ludicrous situation where just seven stocks account for one-third of the entire S&P 500 index. Most people investing in an index with the number "500" in it ...

The S&P 500 added 0.9% on Tuesday, Jan. 28, 2025, bouncing back from the prior day's selloff in advance of the Fed's interest-rate decision on Wednesday.

The S&P 500 fell 1.5% on Monday, Jan. 27, as a Chinese startup's cost-efficient and high-performing AI model sent shockwaves ...