US STOCKS-Walmart halts Dow's six-day rally; S&P edges higher By: Reuters: Company News February 20, 2018 at 13:18 PM EST * Dow off 0.34 pct, S&P up 0.10 pct, Nasdaq up 0.74 pct (Updates to early afternoon) Read More >> Related Stocks: Amazon.com Apple Costco Wholesale Home Depot Kroger Co Microsoft NVIDIA Corp Nxp Semiconductors Qualcomm, Inc. Target Corp Wal-Mart Stores, Inc.