---
title: "Geopolitical tensions exacerbate market concerns, leading to sharp declines in Japanese and South Korean stock markets."
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/280109677.md"
description: "Geopolitical tensions between the US and Iran have led to significant declines in the stock markets of Japan and South Korea. On March 23, South Korea's KOSPI index fell by 375.45 points (6.49%) to close at 5405.75, while Japan's Nikkei 225 index dropped by 1857.04 points (3.48%) to finish at 51515.49."
datetime: "2026-03-23T06:34:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/280109677.md)
  - [en](https://longbridge.com/en/news/280109677.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/280109677.md)
---

# Geopolitical tensions exacerbate market concerns, leading to sharp declines in Japanese and South Korean stock markets.

Escalating tensions between the US and Iran heightened market anxieties, causing a sharp decline in Japanese and South Korean stock markets on Monday. South Korea's KOSPI index closed down 375.45 points, or 6.49%, at 5405.75 on Monday, March 23. Japan's Nikkei 225 index closed down 1857.04 points, or 3.48%, at 51515.49 on Monday, March 23. (Jinshi)

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