Momentum stocks lose steam – plus, why we’re skeptical of the China stimulus bump (for now)

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. Monday markets: The S & P 500 opened the new week on a lower note after notching another new all-time high Friday. One theme we are seeing is declines in many momentum growth stocks that kept rallying daily on no new information and regardless of valuation. The posterchild of this group may have been AppLovin , which Jim discussed Sunday in his weekly column for Club members . AppLovin lost its…