FXstreet.com (Barcelona) - U.S. stock futures have posted gains on Tuesday, with foreign banks profiting from merger and acquisition activity.

S&P 500 futures has risen 12.7 points to 688.60, while Nasdaq 100 futures rose 15 points to 1,062. Dow Industrial futures increased 105 points. Yesterday Wall street closed with losses from 1.0& in the S&P 500 to 1.96% in the Nasdaq technological Index.