US STOCKS-Wall St closes lower on Amazon, Visa; S&P's weekly gain erased By: Reuters: Company News July 25, 2014 at 16:30 PM EDT * Indexes down: Dow 0.7 pct, S&P 0.5 pct, Nasdaq 0.5 pct (Updates to close) Read More >> Related Stocks: Amazon.com Baidu.com SP ADR El Pollo Loco Goldman Sachs Group Pandora Media Inc Starbucks Corp Visa