WASHINGTON/NEW YORK (Reuters) – The head of Wal-Mart Stores Inc (WMT.N), the world’s biggest retailer, said on Wednesday there remained a “lot of stress” in the economy and he did not anticipate a quick end to the recession. “There’s still a lot of stress,” Wal-Mart CEO Mike Duke said on a taped interview on NBC’s […] ↓ Read the rest of this entry…