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

Asian shares traded mixed amid uncertainty over efforts to end the Iran war, with Japan's Nikkei 225 down 0.9% and South Korea's Kospi falling 2.8%. U.S. markets saw declines in the S&P 500 and Nasdaq as oil prices dropped following U.S.-Iran talks, while the Federal Reserve's potential rate hikes and inflation concerns added pressure.