Ahead of the Bell: Dow futures are trading up 180 points and S&P futures are trading up 21 points. Global financial markets are on the rebound after Russia's President Vladimir Putin ordered troops in military exercises to return to base in what was seen as temporary calming of tensions between Ukraine and its neighbor. However, Russian forces remain in the Crimea area, effectively occupying much of the port city. Putin said he does not recognize the new Ukrainian President and hopes he does not have to use force. According to European Central Bank President, Mario Draghi, inflation in the euro zone is "way below" the central bank's goal, which might prompt the ECB to take policy action at its next meeting on Thursday. Former Federal Reserve Chairman, Ben Bernanke in his first speech since leaving office in January said he expects the US economy to grow about 3% in 2014.