The 225-issue Nikkei Stock Average dropped 200.53 points, or 0.97 percent, from Monday to 20,448.47.
Hong Kong stocks open 0.65 pct lower
Hong Kong stocks lost 179.42 points, or 0.65 percent, to open at 27,397.54 points on Tuesday.
U.S. stocks close lower amid disappointing earnings
U.S. stocks closed lower on Monday as investors digested weak earnings of some big public companies.
Hong Kong stocks close 0.03 pct higher
Hong Kong stocks closed up 7.77 points, or 0.03 percent, to 27,576.96 points on Monday.