Welcome Back! What to Worry About Now

U.S. stocks just suffered through their worst month since May 2012, as the S&P 500 fell 3.13 percent and the Dow Jones Industrial Average lost nearly 4.5 percent in August.So now, as tensions mount over Syria, renewed budget battles loom in Washington and the market heads toward the fifth anniversary of the collapse of Lehman Brothers, are we in for another dire September to remember?