by JONATHAN CHENG on Wed Feb 22 14:16
Stocks pared losses and were slightly lower amid unease about the implementation of Greece's debt deal.The Dow Jones Industrial Average slipped 10 points, or 0.1%, to 12955, in Wednesday afternoon trading. The Standard & Poor's 500-stock index shed three points, or 0.2%, to 1360, and the Nasdaq Composite eased 10 points, or 0.3%, to 2939.Wal-Mart Stores, which dragged the blue-chip Dow lower on Tuesday, was again the Dow's worst performer, losing 2.1%. The retailer has lost 5.9% this week.Hewlet...