[Possibly Due to Plunging Oil Prices, U.S. Airline Stocks Rise] Odaily Planet Daily News: Possibly due to plunging oil prices, U.S. airline stocks rose, with Delta Air Lines (DAL.N) up 2.6%, Southwest Airlines (LUV.N) up 3%, American Airlines Group (AAL.O) up 4.3%, United Airlines (UAL.O) up 4.6%, Alaska Airlines up 4.7%, and JetBlue Airways up 5.2%.