Nasdaq futures rise 0.7%, S&P 500 futures add 0.3%

U.S. stock index futures turned higher on Aug. 12, with BIT(bit.com) data showing Nasdaq futures up 0.7% and S&P 500 futures up 0.3% in a short-term move. The advance showed tech-heavy Nasdaq contracts outperforming the broader S&P 500 benchmark at that moment.