U.S. stock index futures pointed to a lower open on Friday after General Electric Co (GE.N) reported a 42 percent drop in quarterly profit before the bell.

* S&P 500 futures SPc1 were down 1 point and were below 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 DJc1 were down 9 points, while Nasdaq futures NDc1 rose 3 points.

Investment U.S.