"The stock market is digesting inflation expectations. Investors need to wait for Powell's commentary. We are still positive around 5% from last month's lows," says Joe Mazzola. Should the yields and the U.S. Dollar move more in this environment? "Bears and bulls are playing a tug of war. There is a collapsing volatility environment with sideways tension," Alex Coffey adds. The S&P 500 or the SPX finished the week negative for the eighth in the last nine weeks.