US STOCKS-Wall St drops for 5th day on global economy, earnings concern By: Reuters: Company News January 15, 2015 at 17:00 PM EST * Indexes off: Dow 0.6 pct, S&P 0.9 pct, Nasdaq 1.5 pct (Updates to close) Read More >> Related Stocks: Bank of America Best Buy Blackberry Ltd Citigroup Intel Corp