Asian stock markets closed mixed on Tuesday, with South Korea's KOSPI surging 1.40% while Japan's Nikkei and Hong Kong's Hang Seng edged lower. Concerns over Brent crude oil prices, which surged above $100 per barrel for the first time since July due to tensions between the U.S. and Iran, added to inflationary pressures. The Nikkei closed at 65,142.78 points, down 0.19%, while the Hang Seng fell 0.17% to 25,274.96 points. In contrast, the Shanghai Composite rose 0.28% to 3,951.51 points, and the KOSPI closed at 7,051.64 points, up 97.12 points.