Wall Street closing

U.S. stocks closed lower Tuesday, as talk from Federal Reserve officials made investors apprehensive. In corporate news, shares of The Washington Post rose after Amazon.com founder Jeff Bezos said he was buying the company's world-renowned newspaper business. Bezos is buying the company's flagship paper - The Washington Post - and other print properties for $250 million. The BATS BZX exchange stopped accepting trader orders for nearly an hour while it was investigating system issues. The exchange, the nation's third largest after the New York Stock Exchange and Nasdaq, resumed taking order by midafternoon. The dollar lost ground against the euro, the pound, and the yen. Light sweet crude oil for September delivery dropped $1.26 to $105.30 a barrel on the New York Mercantile Exchange. Gold futures lost $19.90 to $1,282.50 an ounce. The Dow Jones industrial average fell 93.39, or 0.60 percent, to 15,518.74. The broader Standard & Poor's 500 index dropped 9.77, or 0.57 percent, to 1,697.37. The technology-heavy Nasdaq composite index 27.18, or 0.74 percent, to 3,665.77.