Asian markets today: Nikkei 225, Kospi fall on rising bond yields, renewed US-Iran war fears by Live mint | May 20, 2026 8:10 am | Indian Stocks, Market, News Asian markets today: Japan’s Nikkei 225 slipped 0.88%, while the TOPIX fell 0.75%. South Korea’s KOSPI declined 0.52%, and the small-cap KOSDAQ dropped 2.15%.