US STOCKS-Walmart and Cisco results, trade optimism lift Wall Street By: Reuters: Company News August 16, 2018 at 11:31 AM EDT * Indexes up: Dow 1.35 pct, S&P 0.89 pct, Nasdaq 0.87 pct (Changes comment, updates prices) Read More >> Related Stocks: Boeing Co Cisco Systems J C Penney Company Inc Macy's Nordstrom Symantec Corp Wal-Mart Stores, Inc.