US STOCKS-Wall St closes higher on Citi earnings, healthcare M&A By: Reuters: Company News July 14, 2014 at 16:52 PM EDT * Dow up 0.7 pct; S&P 500 up 0.5 pct; Nasdaq up 0.6 pct (Updates to close) Read More >> Related Stocks: AbbVie Abbott Laboratories Aecom Technology Corp Citigroup