NEW YORK (MarketWatch) -- U.S. stocks finished a listless session lower on Monday, as pledges to cut spending by leaders of the Group of 20 rekindled concerns about global growth. The energy sector also weighed, tracking crude prices as concerns about Tropical Storm Alex hitting the Gulf of Mexico faded. The Dow Jones Industrial Average DJIA, +1.19% fell 5.29 points, or 0.1%, to 10,138.52. The S&P 500 Index SPX, +0.82% dropped 2.19 points, or 0.2%, to 1,074.57. Tobacco stocks, such as Reynolds American Inc. RAI, and Altria Group Inc. MO, +0.73% , helped support the broad index. A Supreme Court dismissal of a case let the industry off the hook on billions of dollars in allegedly ill-gotten gains. The Nasdaq Composite Index COMP, +0.74% dropped 2.83 points, or 0.1%, to 2,220.65.