Stock index futures briefly trimmed losses on Friday following a government report showing new U.S. housing starts and permits jumped more than expected in June.

Wall Street was still poised to open lower after a four-day run-up after quarterly results from bellwethers, including Google Inc , Bank of America Corp and General Electric Co .

S&P 500 futures fell 3.5 points 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 fell 39 points, and Nasdaq 100 futures were 0.25 points higher.

(Reporting by Ellis Mnyandu; Editing by Padraic Cassidy)