US STOCKS-Wall St gains on U.S.-China trade optimism; Trump declares emergency By: Reuters: Company News February 15, 2019 at 13:17 PM EST * Indexes up: Dow 1.36 pct, S&P 0.82 pct, Nasdaq 0.38 pct (Updates to early afternoon) Read More >> Related Stocks: Bank of America Berkshire Hathaway Boeing Co Caterpillar JPMorgan Chase & Co NVIDIA Corp Newell Rubbermaid PepsiCo Wells Fargo