Shares of energy companies took a broad beating Monday, as crude oil futures sank toward seven-month lows amid demand concerns as China’s economy slows. The SPDR Energy Select Sector ETF XLE, -1.95% dropped 4.2% in morning trading, with all 21 equity components losing ground, after closing Friday at a two-month high. The component losses ranged from Kinder Morgan Inc.’s KMI, -0.64% 2.6% decline to Halliburton Co.’s HAL, -3.65% 5.6% fall. Elsewhere, shares of Chevron Corp. CVX, -1.90% slid 3.6% to pace the Dow Jones Industrial Average’s DJIA, +0.45% decliners. Among the other more-active components, shares of Exxon Mobil Corp. XOM, -1.79% shed 4.2%, Occidental Petroleum Corp. OXY, -2.11% slumped 4.5%, Devon Energy Corp. DVN, -3.02% gave up 5.1% and Marathon Oil Corp. MRO, -2.78% declined 5.4%. Meanwhile, continuous crude oil futures CL00, -0.58% were down 5.3% toward the lowest settlement since Jan. 28, and the S&P 500 SPX, +0.40% lost 0.4%.