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. Stocks are higher Tuesday , with the S & P 500 and Nasdaq poised for back-to-back days of gains. Earnings have been generally solid. Most major companies have been beating estimates and raising their full-year guidance. However, reaction to those better-than-expected reports has been mixed. Oil and interest rates have been up and down. Cr ...