JetBlue Airways Corp. JBLU shares rose about 2% Tuesday in premarket trading after the airline raised several aspects of its first quarter outlook. JetBlue now expects an 8% to 9.9% increase in available seat miles, as opposed to the 5.5% to 8.5% growth it forecasted last year. JetBlue now expects 32% to 35% revenue growth in the quarter, as opposed to the 28% to 32% growth previously forecasted by management. JetBlue continues to see strong travel demand trends. This trend was evident through Presidents’ Day weekend, and beyond. The Company is experiencing strong demand from our core…