U.S. stocks opened lower on Tuesday, raising the possibility of a fifth day in the red as the Nasdaq and S&P 500 traded near their lowest intraday levels in more than two years. The S&P 500 SPX,
U.S. stocks opened lower on Tuesday, raising the possibility of a fifth day in the red as the Nasdaq and S&P 500 traded near their lowest intraday levels in more than two years. The S&P 500 SPX,