JetBlue Airways Corporation (NASDAQ:JBLU) lifted its third-quarter revenue outlook amid improved summer travel. The stock was last seen up 6.1% to trade $5.34 as a result, consolidating above penny stock territory after bouncing off an Aug. 14, year-to-date low of$4.49, which followed the offering of $400 million convertible senior notes. Despite being on track to conquer its 30-day moving average, JBLU carries a 12.9% quarter-to-date deficit.Short sellers are firmly in control, with short interest up 58.2 ...