The Dow Jones Index opened down 21.38 points at 48,440.55 points.

ChainCatcher News, according to Golden Ten Data, the Dow Jones Index opened down 21.38 points on December 30 (Tuesday), a decrease of 0.04%, at 48,440.55 points; a certain exchange composite index opened down 5.45 points, a decrease of 0.02%, at 23,468.9 points; the S&P 500 Index opened down 0.33 points, a decrease of 0%, at 6,905.41 points.