Futures were also getting a boost from upbeat earnings from Dow component stock Exxon Mobile ( XOM ), while the Nasdaq was outperforming as a result of better-than-expected earnings from GoPro ( GPRO ), Groupon ( GRPN ) and LinkedIn ( LNKD ). Futures were soaring into Friday's open after the Bank of Japan surprised global financial markets by voting in favor of pouring more money into the Japanese economy, plagued by persistent deflation and sluggish growth. Japan's Nikkei skyrocketed nearly 5%, sending global equities as much as 2% higher.