US STOCKS-Wall St up for sixth straight session on earnings, healthcare By: Reuters: Company News April 22, 2014 at 16:24 PM EDT * Indexes up: Dow 0.4 pct, S&P 0.41 pct, Nasdaq 0.97 pct (Updates to close) Read More >> Related Stocks: Alaska Air Group Eli Lilly Facebook General Motors Gsk Plc ADR McDonald's Corp Netflix TravelersCompanies United Technologies Valeant Pharmaceuticals International, Inc.