US stock index futures slightly lower, S&P 500 index may record its first two-week consecutive decline since June last year.

U.S. three major stock index futures edged lower. Dow Jones index futures fell 0.43%, S&P 500 index futures fell 0.19%, and Nasdaq 100 index futures fell 0.27%. The S&P 500 index may have recorded consecutive declines for the first time since June last year.