Futures tick down ahead of big bank earnings, retail sales data

U.S. stock index futures edged lower on Friday as caution kicked in ahead of quarterly results from four of the nation’s biggest banks that could set the tone for the third-quarter earnings season.
Analysis: Europe’s banks dim lights as they brace for winter blackout

Some of Europe’s biggest banks are preparing back-up generators and to dim the lights as they brace for potential power cuts and energy rationing that threaten the money system underpinning the region’s economy.