Every weekday, the CNBC Investing Club with Jim Cramer releases the Homestretch — an actionable afternoon update, just in time for the last hour of trading on Wall Street. Market moves : It's been a volatile day on Wall Street. The S & P 500 wiped out earlier losses of roughly 1.5% on Tuesday and turned modestly higher in late afternoon trading. Initial worries about renewed U.S.-China trade tensions sank the market after Monday's strong snap-back rally from Friday's tariff-driven rout. The Nasdaq on Tuesday remained stubbornly in the red as tech struggled. It was the only one of the S & P 500's 11 sector indexes that was lower on the session. The market does not seem to be paying much attention to Federal Reserve Chairman Jerome Powell 's remarks about the Fed's balance sheet. As CNBC eco

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