United Airlines Holdings Inc. stock underperforms Monday when compared to competitors

Shares of United Airlines Holdings Inc. UAL, shed 2.00% to $36.76 Monday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index SPX, rising 0.18% to 4,365.98 and the Dow Jones Industrial Average DJIA, rising 0.10% to 34,095.86. United Airlines Holdings Inc. closed $21.47 short of its 52-week high ($58.23), which the company reached on July 21st. The stock demonstrated a mixed performance when compared to some of its competitors Monday, as Southwest Airlines Co. LUV, fell 0.72% to $23.53, Delta...