Dollar store group may be benefiting from consumers trading downDec. 5, 2013 8:25 AM ET|About: Dollar General Corporation (DG)|By: Clark Schultz, SA News Editor Shares of Dollar General (DG) rally in early trading after the company pulls off the rare feat in this retail environment of increasing traffic and average transaction size during its Q3. The biggest quibble from the report might be the higher mix of perishables which drove down margins. Dollar General's performance adds some credence to the theory that consumers are trading down from big box and department store chains. On watch: DLTR, FIVE, FDO. DG +2.4% premarket.