U.S. stocks closed lower Tuesday as U.S. oil settled below $40 for the first time since April and as the Dow Jones industrial average closed lower for the seventh straight day. In U.S. economic news, personal income rose 0.2 percent in June, just below expectations, while personal consumer spending for the same month advanced 0.4 percent, beating estimates. The dollar declined against other currencies. Light sweet crude oil for September delivery dropped 1.37 percent to $39.51 per barrel on the New York Mercantile Exchange, while gold futures added $13 to $1,372.60 per ounce. The Dow fell 90.60, or 0.49 percent, to 18,313.91. The broader Standard & Poor's 500 index decreased 13.81, or 0.64 percent, to 2,157.03. The technology-heavy Nasdaq composite index lost 46.46, or 0.90 percent, to 5,137.73.