Dow futures are up 20 points at 12,440. The broader Standard & Poor's 500 futures are up 3 points to 1,293. The Nasdaq composite is up 9 points at 2,398.
Christine Lagarde, the International Monetary Fund's managing director, said Tuesday that the Washington D.C.-based institution was looking at ways to increase its financial firepower, partly to deal with Europe's debt crisis.
Investors will be looking at U.S. reports on industrial production, wholesale prices and foreign holdings of U.S. debt. Also Wednesday, Greece is continuing talks with private creditors aimed at reducing the country's crushing debt.
Most Asian and European markets also rose Wednesday.