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 update: The stock market got a little bit of a boost after the Federal Reserve on Wednesday afternoon left interest rates unchanged in the range of 4.25% to 4.50%. The vote was unanimous. In a move initially seen as dovish, the Fed also announced it will slow its monthly balance sheet runoff of Treasury securities…