Wal-Mart (WMT) slips on Q1 earnings

Wal-Mart WMT shares slipped 4.1% to $76.65. The retailer is projected to report first-quarter earnings of $1.04 a share, down from $1.10 a share a year earlier. Share volume was 2.1 million, compared to an all-day average of 1.8 million