US STOCKS-Wall St reverses early gains; materials, energy lead decline By: Reuters: Company News January 13, 2015 at 14:10 PM EST * Indexes down: Dow 0.5 pct, S&P 0.6 pct, Nasdaq 0.4 pct (Updates to afternoon) Read More >> Related Stocks: Alcoa Citigroup Goldman Sachs Group Goodyear Tire & Rub Intel Corp JPMorgan Chase & Co Wells Fargo