Joseph Feldman, an analyst at Telsey Advisory Group, talks with Bloomberg's Kathleen Hays from New York about U.S. April retail sales, the rise in Wal-Mart Inc.'s revenue and Feldman's investment strategy for retailers. Industry sales climbed 3.6 percent, the most since March 2007, the International Council of Shopping Centers said. Wal-Mart, the world's largest retailer, said sales rose 3.2 percent.