Asian shares are trading mixed amid caution about the war in Iran

Asian shares were mixed in subdued trading early Tuesday, as recent enthusiasm cooled and markets faced uncertainty about efforts to end the war in Iran. Japan's benchmark Nikkei 225 lost 0.9% in morning trading to 71,681.29. Australia's S&P/ASX 200 was up less than 0.1% in morning trading at 8,822.10.