Key TakeawaysAirline stocks moved higher Monday after positive comments on the industry by BofA Securities.Analysts say airlines could benefit from moderating domestic capacity, stable demand, and lower fuel prices.BofA upgraded JetBlue stock to "neutral," highlighting the carrier's recent outlook boost as a sign of progress on its strategic initiatives. Shares of major U.S. air carriers gained altitude on Monday after BofA Securities published upbeat comments on the industry and upgraded JetBlue Airways (J ...