The S&P 500 sold off Monday even as 351 of its stocks rose, according to Dow Jones Market Data. That's because the U.S. stock benchmark is heavily influenced by its biggest stocks--like Nvidia, which ...
The Dow made another push into positive territory around noon ET on Monday. The blue-chip index was up 56 points, or up 0.1%, after trading lower for much of the morning. The S&P 500 was still down 1.