Investors were expecting the improvement, and many may have decided to take some money out of the market, playing it safe ahead of the government's August employment report, which comes out Friday.
"The market's priced all of this in, and a lot more, quite frankly, I can't imagine a piece of fundamental information that could meaningfully impact this market upward or downward," said Jeff Buetow, managing partner at Innealta Portfolio Advisors.