道琼斯指数4月17日（周四）收盘下跌527.16点，跌幅1.33%，报39142.23点；标普500指数4月17日（周四）收盘上涨7.00点，涨幅0.13%，报5282.70点；纳斯达克综合指数4月17日（周四）收盘下跌20.71点，跌幅0.13%，报16286.45点。

Core Points - The Dow Jones Industrial Average closed down 527.16 points, a decline of 1.33%, ending at 39,142.23 points on April 17 [1] - The S&P 500 index closed up 7.00 points, an increase of 0.13%, finishing at 5,282.70 points on April 17 [1] - The Nasdaq Composite index closed down 20.71 points, a decrease of 0.13%, ending at 16,286.45 points on April 17 [1]