US STOCKS-S&P 500 posts worst day in 2 months on rate worries By: Reuters: Company News March 10, 2015 at 16:39 PM EDT * Indexes down: Dow 1.9 pct, S&P 500 1.7 pct, Nasdaq 1.7 pct (Updates to close) Read More >> Related Stocks: Barnes & Noble ConocoPhillips Occidental Petroleum Urban Outfitters