U.S. equities opened lower on Monday, June 1: the Dow Jones Industrial Average
was down 231.60 points (-0.45%) at 50,800.86 at the open; the S&P 500 was down
9.42 points (-0.12%) at 7,570.64; the Nasdaq Composite was down 11.12 points
(-0.04%) at 26,961.50.