Asian shares mostly slip as latest fighting undermines the US-Iran ceasefire.

Asian shares mostly declined as renewed fighting threatened the U.S.-Iran ceasefire, with Japan's Nikkei 225 and South Korea's Kospi falling. U.S. crude oil prices dipped but remained above $90, while tensions over the Strait of Hormuz and fuel shortages impacted markets. U.S. stocks hit records, and Nvidia's stock surged due to product updates.