Shares of Japanese companies with significant exposure to China came under pressure on Tuesday as anti-Japan demonstrations escalated across China amid rising tension over a territorial dispute between the two countries. Nissan Motor shares fell 3.5 per cent to 712 yen (HK$70) after the carmaker said on Monday that it had suspended production in China for two days, while Honda Motor dropped 2.5 per cent to 2,605 yen. Construction machinery maker Komatsu, which has considerable exposure to China, lost 3 per cent to 1,630 yen. Fast Retailing fell 4.6 per cent to 17,920 yen. Five stores at its clothing chain Uniqlo were closed on Monday and three others were operating on shortened hours, a company spokeswoman said. The Nikkei China 50 index, made up of Japanese companies with significant exposure to China, fell 0.3 per cent, while the Nikkei share average was flat at 9,157.54.