 The fast-paced Lightning Round segment of Mad Money is a viewer favorite where Jim Cramer takes questions about stocks from callers. In this daily bar chart of DGII, below, we can see that prices topped out back in November and December, and then plunged lower until the broad market bottomed in March. The On-Balance-Volume OBV line has moved up nicely from its March low telling us that buyers of DGII have been more aggressive. 