Cramer is always telling viewers how important it is to listen to company conference calls. Investors can glean tons of information from management’s statements and the way they answer analysts’ questions. Case in point: Schlumberger’s earnings announcement on Friday, July 24.

Schlumberger, the umbrella of the oil-service stocks, reported a disappointing quarter, and that pushed down the whole group – at first. The 1 PM call gave way to a sudden spike in Transocean at 1:30. Why? Because Schlumberger’s CEO said that, of all the drilling taking place, deepwater, which is Transocean’s main business, had been “surprisingly resilient” and there was “very little actual cancellation.”