AAL is down more than 40% this year, while LUV is off by 22%Airline stocks are in focus today, after sector stalwarts American Airlines Group Inc (NASDAQ:AAL) and Southwest Airlines (NYSE:LUV) stepped into the earnings confessional. Both airliners reported a smaller-than-expected first-quarter loss and withdrew their full-year guidance, mirroring Delta Air Lines (DAL) and United Airlines (UAL) amid an increasingly murky U.S. economic outlook. AAL was last seen up 2.5% to trade at $9.56, consolidating around ...