Supervalu's Q1 earnings have fallen 15% but are above expectations. Although sales dipped due to store closings, the grocery retailer and wholesaler's earnings slightly exceeded Wall Street expectations. It's not rosy news, but it is a positive indicator for Supervalu as it tries to expand its retail scope. The company now operates about 1,200 stores, but it has suffered recently amid stiff competition from Target and Wal-Mart supercenters