Asian shares retreat in thin holiday trading after a tech-led rally on Wall St

Asian shares retreated as markets in Greater China were closed for holidays, while U.S. futures declined amid uncertainty over the U.S.-Iran nuclear negotiations and expectations of central bank rate hikes. Wall Street saw a tech-driven rebound, with Intel and Nvidia surging, though oil prices fluctuated after the U.S.-Iran deal to reopen the Strait of Hormuz.