U.S. stock indexes traded firmly higher early Monday as a rise in the price of crude oil boosted energy-related shares. The Dow Jones Industrial Average DJIA, +0.87% rose 200 points, or 0.8%, at 24,458, the S&P 500 index SPX, +0.65% climbed by 0.6% at 2,680, with the energy sector up 0.9%. The Nasdaq Composite Index COMP, +0.79% advanced by 0.8% at 7,266. Monday’s moves come after a rally in shares of Apple Inc. AAPL, +1.40% overshadowed a lackluster April jobs report, which showed that fewer number of jobs were created in the month than had been anticipated by economists surveyed by MarketWatch. Meanwhile, crude-oil prices CLM8, +0.77% climbed above $70 a barrel early in the session, their highest level since 2014. With crude futures rising, investors were likely to keep a close eye on comments linked to the Iran nuclear deal. Separately, shares of Athenahealth Inc. ATHN, +23.80% jumped after CNBC reported that Elliott Management is preparing an all-cash deal between $155 and $160 a share for the health-care company.