Stocks opened lower as investors continued to monitor developments around Russia’s invasion of Ukraine, tracking volatile action in crude-oil prices. The Dow Jones Industrial Average DJIA, -0.76% fell 132 points, or 0.4%, to 33,483, while the S&P 500 SPX, -1.05% fell 0.2% to 4,321 and the Nasdaq Composite COMP, -1.07% rose 0.3% to 13,349. Stock-index futures had fallen sharply in early activity as oil futures spiked, taking the U.S. benchmark briefly above $130 a barrel. Oil futures have since pulled back, with WTI futures CL.1, +0.67% up 0.7% at $116.55 a barrel, with losses for stocks moderating.