美股三大股指期货转跌，纳指期货现跌0.35%

Core Viewpoint - US stock index futures turned negative on January 21, with the Nasdaq futures down by 0.35%, Dow futures down by 0.2%, and S&P 500 futures down by 0.15% [1][1][1] Group 1 - Nasdaq futures decreased by 0.35% [1] - Dow futures fell by 0.2% [1] - S&P 500 futures declined by 0.15% [1]