Wells Fargo & Co WFC.N reported its quarterly profit nearly halved due to increased loan loss provisions and weak mortgage business. By Stephen Culp NEW YORK, July 15 (Reuters) - Wall Street stocks closed sharply higher on Friday, ending several days of sell-offs with a rebound fueled by upbeat earnings, strong economic data and waning fears of a larger-than-expected interest rate hike by the Federal Reserve. Economic data released on Friday surprised to the upside, with stronger-than-expected retail sales, an uptick in consumer sentiment, lower inflation expectations and cooling import prices.