Southwest Warns RASM Could Drop This Quarter; Airline Stocks Are Falling By: Benzinga via Benzinga December 08, 2015 at 11:43 AM EST Shares of Southwest Airlines Co (NYSE: LUV) plunged more than 7 percent on Tuesday after the company reported a 13.9 percent ... Read More >> Related Stocks: Avino Silver & Gold Delta Air Lines SPDR S&P 500 ETF Trust Southwest Airlines