TheStreet's Action Alerts PLUS Portfolio Manager Jim Cramer urges investors to look under the hood and read  Dollar General's (DG) latest earnings conference call, aside from simply reading the earnings release.

Latest from Jim Cramer:

More from Video

60 Seconds: Get Financial Aid to Pay For College

60 Seconds: Get Financial Aid to Pay For College

Famed Chartist Marc Chaikin Gives Jim Cramer His Top Picks This Wednesday

Famed Chartist Marc Chaikin Gives Jim Cramer His Top Picks This Wednesday

60 Seconds: Uncle Sam Wants a Piece of your Kid's Summer Job

60 Seconds: Uncle Sam Wants a Piece of your Kid's Summer Job

Rewind: Jim Cramer on Trade, Pepsico, SodaStream, Estee Lauder and Nike

Rewind: Jim Cramer on Trade, Pepsico, SodaStream, Estee Lauder and Nike

60 Seconds: Here's How to Deduct Summer Camp

60 Seconds: Here's How to Deduct Summer Camp