Family Dollar May same-store sales up 1.8 pct

NEW YORK (Reuters) - Discount retailer Family Dollar Stores Inc (FDO.N) reported on Thursday a 1.8 percent increase in May sales at stores open at least a year, double the average Wall Street estimate.

Analysts, on average, had been expecting a same-store sales increase of 0.9 percent, according to Thomson Reuters data. The company's own forecast was between flat and up 2 percent.

Net sales for the four weeks ended May 31 rose 4.4 percent to $545.0 million.

For June, the retailer said it expects same-store sale to rise 2 percent to 4 percent.

(Reporting by Martinne Geller; editing by John Wallace)