Traders are closely watching the start of earnings season. JPMorgan Chase & Co. did well in trading and investment-banking fees, causing fluctuation in the premarket. Goldman Sachs Group Inc. saw a 2% drop due to a slight miss in equities sales. Citigroup Inc. rose 1% with revenue beats in all divisions. Wells Fargo improved a key profitability metric, but net interest income fell short of estimates. Bloomberg’s Sridhar Natarajan provides a detailed analysis on “Bloomberg Open Interest.”

Read more at Yahoo Finance: Breaking Down Bank Earnings