Hong Kong's benchmark Hang Seng Index opened 128 points higher on Tuesday, up 0.51% at 25,170 points; the Hang Seng Tech Index rose 1% to 4,467 points. Technology stocks boosted Asian markets, primarily driven by falling oil prices, hopes for US-Iran negotiations, and optimism about a US-China summit. South Korea's KOSPI index surged 2.2% to 7,161 points. Additionally, the launch of Meta AI assistant Muse also boosted market confidence in CPU demand.