BRENTWOOD, Tenn.--(BUSINESS WIRE)--Delek US Holdings, Inc. (NYSE: DK) (“Delek US”) today announced financial results for its first quarter ended March 31, 2015. Delek US reported a first quarter net loss of $(16.1) million, or $(0.28) per basic share, versus net income of $33.7 million, or $0.56 per diluted share, in the quarter ended March 31, 2014. On April 14, 2015, Delek US entered into a definitive stock purchase agreement with Alon Israel Oil Company Ltd. (“Alon Israel”) to acquire approx