ChainCatcher News, according to Gate Market Data, the Dow Jones Industrial Average closed down 521.28 points on February 27 (Friday), a decrease of 1.05%, at 48,977.92 points; the S&P 500 Index closed down 29.98 points, a decrease of 0.43%, at 6,878.88 points; the Nasdaq Composite Index closed down 210.17 points, a decrease of 0.92%, at 22,668.21 points.