UnitedHealth Group Inc. stock falls Wednesday, underperforms market

Shares of UnitedHealth Group Inc. UNH slid 6.40% to $459.86 Wednesday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index SPX rising 0.08% to 4,372.59 and the Dow Jones Industrial Average DJIA falling 0.68% to 33,979.33.

This was the stock’s third consecutive day of losses.

UnitedHealth Group…