Asia markets mixed: Nikkei and KOSPI touch record highs on historic US-Iran peace accord

Asian equity markets were mixed as a historic interim US-Iran peace accord took effect, easing geopolitical risk and sending global crude oil prices lower toward $75 per barrel. The move improved sentiment in some parts of the region, with Japan’s Nikkei and South Korea’s Kospi touching record highs, but broader market performance remained uneven. The article frames the oil decline as the main market driver, as lower crude could benefit oil-importing economies and pressure energy-linked assets. However, the content is partially truncated and also references an overnight Wall Street selloff as a headwind, indicating mixed global risk appetite despite the diplomatic breakthrough.