Energy stocks soared Thursday, after President Donald Trump tweeted that he expects Saudi Arabia and Russia to cut oil production by about 10 million barrels, and "maybe substantially more." The SPDR Energy Select Sector ETF /zigman2/quotes/206420077/composite XLE -2.80% shot up 11.5% in morning trading, with all 27 components gaining ground, including 23 that were up by a double-digit percentage. Just before the tweet, the ETF was up about 5%. The ETF's biggest gainer was Diamondback Energy Inc.'s stock /zigman2/quotes/201200230/composite FANG -2.89% , which was vaulted 25.8% higher. Among the most-active ETF components, shares of Occidental Petroleum Corp. /zigman2/quotes/207018272/composite OXY -5.41% shot up 21.0%, Marathon Oil Corp. /zigman2/quotes/205031829/composite MRO -7.32% ran up 14.9%, Apache Corp. /zigman2/quotes/200648444/composite APA -5.64% surged 21.4%, Exxon Mobil Corp. /zigman2/quotes/204455864/composite XOM -2.60% rallied 9.3%, Chevron Corp. /zigman2/quotes/205871374/composite CVX -3.23% climbed 11.9%, Halliburton Co. /zigman2/quotes/210488727/composite HAL -0.66% rallied 15.3% and Schlumberger N.V. /zigman2/quotes/201012972/composite SLB -1.36% gained 15.1%. Meanwhile, crude oil futures hiked up 27.7% and the Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -0.58% tacked on 315 points, or 1.5%.