This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of Southwest Airlines Co. shed 4.6% to $44.90 on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index falling 0.1% to 7,753.11 and Dow Jones Industrial Average falling 0.1% to 53,975.98.

Southwest Airlines Co. closed 18.5% short of its 52-week high of $55.11, which the company reached on February 17th.

The stock demonstrated a mixed performance when compared to some of its peers, as Delta Air Lines Inc. fell 2.3% to $89.21, United Airlines Holdings Inc. fell 4.5% to $123.76, and American Airlines Group Inc. fell 5.90% to $15.00.

Trading volume totaled 5.3 million, compared to the 50-day average of 6.1 million.

Data source: Dow Jones Market Data, FactSet