Energy stocks rallied in unison Thursday to pace the S&P 500's sector gainers, with crude oil futures surging as U.S. Secretary of State Mike Pompeo said Iran was to blame for a number of recent incidents, including the attacks Thursday on two oil tankers in the Middle East. The SPDR Energy Select Sector ETF rallied 1.3% in afternoon trade, with all 29 equity components gaining ground. Among the more-active components, shares of Halliburton Co. hiked up 2.8%, Marathon Oil Corp. gained 1.8%, Schlumberger NV rose 3.7%, Exxon Mobil Corp. tacked on 0.8% and Kinder Morgan Inc. advanced 0.8%. Meanwhile, crude oil futures surged 2.8%, after settling Wednesday at a 5-month low. The energy ETF has lost 6.9% year to date, while the S&P 500 tacked on 2.8%.