The analyst gathering Dollar General hosted Tuesday has ratcheted up the optimism of at least two researchers following the booming discount retailer. Charles Grom at Deutsche and Joan Storms at Wedbush have hiked their price target for Dollar General to $61 and $60, respectively. Grom sees a number of positive dynamics enabling the company to grow earnings at a heady clip. Shares of Dollar General (Ticker: DG) closed Wednesday trading at $54.02.