Asian stock market today: South Korea’s Kospi rises 12%, Japan’s Nikkei 225 up 4% on de-escalation buzz in US-Iran war by Live mint | March 5, 2026 8:09 am | Indian Stocks, Market, News Asian stock market today: South Korea’s small-cap index Kosdaq advanced more than 11%. The benchmark index had slumped 12% on Wednesday, marking its worst-ever daily decline.