Japan’s Nikkei Surges as US-Iran Ceasefire Boosts Risk Appetite

Japan’s Nikkei 225 benchmark gained the most in almost a year after the US and Iran agreed to a two-week ceasefire fueling a relief rally across Asia.

The Nikkei rose 5.4%, the most since April 10, 2025 to 56,308.42, while the broader Topix climbed 3.3%. AI-linked stocks like cablemaker Furukawa Electric Co. and chipmaker Kioxia Holdings Corp. led the gains as investors flocked back into momentum sectors.