On Tuesday, the S&P 500 index rose 6.29 points, or 0.4 percent, to close at 1,652.35. The Nasdaq composite rose 24.50 points, or 0.7 percent, to 3,613.59. The Dow fell 7.75 points, or 0.05 percent, to 15,002.99.
Sarian says more turbulence will come until investors get clarity from the Fed about its bond-buying program.
"Expect to see more volatility or see a short-term pull back," Sarian says.
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