Though Dollar General (NYSE:DG) met estimates with its Q1 report, a cut in guidance is proving...

Though Dollar General (NYSE:DG) met estimates with its Q1 report, a cut in guidance is proving painful as shares slide 6.3% premarket. Peers Family Dollar Stores (NYSE:FDO), Dollar Tree (NASDAQ:DLTR), and Five Below (NASDAQ:FIVE) are on watch with the outlook from Dollar General for soft sales of non-consumables likely to weigh on shares in the discounting sector.