The battle over consumer spending on food and household items continues to heat up and big-box retailers may be taking more market share from dollar stores across several categories. What Happened: Discount retailer Dollar General Corp (NYSE:DG) recently reported second-quarter financial results that saw revenue and earnings per share both miss estimates from analysts. The company also lowered its full-year revenue and earnings per share outlook as the company may be losing market share to larger competitors Walmart Inc (NYSE:WMT) and Target Corp (NYSE:TGT). Dollar General was asked about comp…
