Stock futures cut gains on EU summit angst

European Union

S&P 500 futures added 0.3 points and were above fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures added 18 points, and Nasdaq 100 futures fell 2.5 points.

(Reporting by Ed Krudy, Editing by Chizu Nomiyama)