Wall Street a little lower in calm after the storm

Markets were their least volatile in a over a week after recent sessions saw the S&P 500 plummet 11 percent before rebounding sharply. Stocks moved lower after Fed Vice Chairman Stanley Fischer told CNBC the Fed had not yet decided whether to raise interest rates in September. Many on Wall Street have hoped the recent global market turbulence and worries about China's economy would lead the Fed to hold off raising rates, an expectation reinforced by comments on Wednesday from New York Fed Pr