Shares of energy company's were broadly higher in premarket trading Friday, as crude oil prices soared in reaction to the U.S. airstrike that killed an Iraqi militia's deputy commander. The SPDR Energy Select Sector ETF /zigman2/quotes/206420077/composite XLE -0.09% climbed 1.4% in premarket trading, with 26 of 28 equity components trading higher. Among the ETF's more active components, shares of Noble Energy Inc. /zigman2/quotes/210375673/composite NBL +4.70% rose 0.8%, Exxon Mobil Corp. /zigman2/quotes/204455864/composite XOM +3.25% gained 1.4%, Occidental Petroleum Corp. /zigman2/quotes/207018272/composite OXY +2.92% hiked up 3.0%, Schlumberger Ltd. /zigman2/quotes/201012972/composite SLB +0.93% advanced 1.8%, Halliburton Co. /zigman2/quotes/210488727/composite HAL -2.47% rose 1.9%, Marathon Oil Corp. /zigman2/quotes/205031829/composite MRO +4.41% rallied 3.4% and Chevron Corp. /zigman2/quotes/205871374/composite CVX -0.84% tacked on 1.2%. Although not an ETF components, Chesapeake Energy Corp.'s stock /zigman2/quotes/201364537/composite CHK +5.73% shot up 5.8% in active trading. The rally bucked the reaction in the broader stock market, as S&P 500 /zigman2/quotes/210599714/realtime SPX -0.82% futures /zigman2/quotes/209950257/delayed ESM20 +0.99% sank 1.2%. Meanwhile, crude oil futures /zigman2/quotes/209723049/delayed CL00 -3.89% shot up 3.9%, and the intraday high of $64.09 was the highest price seen since April 30.