Energy stocks were suffering a broad beating Tuesday, as a selloff in crude prices was exacerbated by a big decline in the broader stock market. The Energy Select Sector SPDR exchange-traded fund XLE sank 4.4% toward a five-week low, with all 23 equity components losing ground. With the ETF (XLE), Chevron Corp.’s stock CVX slumped 4.5%, enough to pace the decliners within the Dow Jones Industrial Average DJIA, which dropped 420 points, or 1.2%. The biggest XLE decliner was Halliburton Co.’s stock HAL, which dove 8.0%, while Occidental Petroleum Corp.’s stock OXY was the best performer, but still lost 2.2%. Among other…