All three major averages rose, with the Dow swinging 1,300 points off the lows of the session, and Jim Cramer is breaking down what drove the upturn. Then, Sunnova CEO John Berger joins Cramer to talk about the company's fundamentals and balance sheet and how it's faring amidst recent energy volatility. Next, L3Harris has been underperforming the market as of late, but should investors think about getting defensive in this name? Cramer's investigating and giving you his take. Plus, Cramer takes questions from CNBC Investing Club members.