美股三大股指期货走高，标准普尔500股指期货上涨1%

Core Viewpoint - US stock index futures are rising, indicating positive market sentiment and potential investor confidence in upcoming trading sessions [1] Group 1 - S&P 500 index futures increased by 1% [1] - Nasdaq 100 index futures rose by 1.4% [1] - Dow Jones futures saw a smaller increase of 0.4% [1]