Recession fears have roiled financial markets this year as central banks across the world move to aggressively raise borrowing costs to curb sky-high inflation, pushing Wall Street to its worst first-half performance in decades. Shares of other banks Wells Fargo & Co WFC.N, Goldman Sachs Group Inc GS.N and Citigroup C.N fell between 1.8% and 2.3%. By Amruta Khandekar and Bansari Mayur Kamdar July 14 (Reuters) - U.S. stock index futures fell on Thursday after JPMorgan Chase & Co and Morgan Stanley kicked off the earnings season with downbeat results, adding to worries of a potential recession.