Shares of United Airlines Holdings Inc.
UAL,
slid 1.30% to $34.96 Thursday, on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index
SPX,
falling 1.02% to 3,744.52 and Dow Jones Industrial Average
DJIA,
falling 1.15% to 29,926.94. The stock’s fall snapped a three-day winning streak. United Airlines Holdings Inc. closed $19.56 short of its…