Stock futures turn higher after jobs data
* S&P 500 futures rose 4.20 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 climbed 6.50 points while Nasdaq 100 futures fell 3.25 points.
(Reporting by Ellis Mnyandu; Editing by James Dalgleish)