道琼斯指数7月28日（周一）收盘下跌64.36点，跌幅0.14%，报44837.56点；标普500指数7月28日（周一）收盘上涨1.15点，涨幅0.02%，报6389.79点；纳斯达克综合指数7月28日（周一）收盘上涨70.27点，涨幅0.33%，报21178.58点。

Core Points - The Dow Jones Industrial Average closed down by 64.36 points, a decrease of 0.14%, ending at 44837.56 points [1] - The S&P 500 index closed up by 1.15 points, an increase of 0.02%, finishing at 6389.79 points [1] - The Nasdaq Composite index closed up by 70.27 points, an increase of 0.33%, closing at 21178.58 points [1]