S&P 500 index futures turned positive on Wednesday after data showed the private sector added slightly more jobs than expected in July.

S&P 500 futures rose 2 points and were slightly 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 dipped 20 points, and Nasdaq 100 futures added 3.5 points.

(Editing by Jeffrey Benkoe)