Wal-Mart (WMT +0.8%) is losing the two top executives in charge of its online business in a...

|By:, SA News Editor

Wal-Mart (WMT +0.8%) is losing the two top executives in charge of its online business in a "serious loss of leadership." The departures follow those of two other online executives who left for personal reasons last month. CEO Mike Duke has tried to focus on improving Wal-Mart’s Internet unit as more customers shop online and U.S. same-store sales decline.