This week's action in the stock market has made clear that the S&P 500 has become a riskier play - despite its status as the benchmark for U.S. large-cap stocks - because it has become a highly ...
The S&P 500 rose 0.5%, as four out of every five stocks in the index climbed. The Dow Jones Industrial Average added 168 points, or 0.4%, and the Nasdaq composite gained 0.3%.