[Mixed movements in U.S. stock index futures, Nasdaq 100 futures rise over 0.5%] BlockBeats news, on August 17, according to BIT (Bit.com) market data, ahead of the U.S. stock market opening, the three major stock index futures showed mixed movements: S&P 500 E-Mini futures rose 0.18%, Nasdaq 100 futures rose 0.54%, and Dow Jones futures fell 0.09%.