ChainCatcher news, according to Jinshi reports, the Dow Jones Index opened down 248.72 points on August 21 (Thursday), a decrease of 0.55%, reporting 44,689.59 points; the Nasdaq Composite Index opened down 85.4 points, a decrease of 0.4%, reporting 21,087.46 points; the S&P 500 Index opened down 25.91 points, a decrease of 0.41%, reporting 6,369.88 points.