Bank earnings, retail sales take center stage on Wall Street By: CNBC.com News April 14, 2015 at 05:53 AM EDT U.S. stock index futures indicated a lower open on Tuesday, as traders awaited major bank earnings and retail sale data. Read More >> Related Stocks: CSX Corp Intel Corp JPMorgan Chase & Co Johnson & Johnson Sentinelone Inc Cl A Thomson Reuters Corporation Wells Fargo