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Asian Stock Markets Plunge: KOSPI Drops 12%, Nikkei 225 Suffers Steep Decline

Korea's KOSPI index experiences its largest single-day drop in history, while Japan’s Nikkei 225 sees its biggest decline since April 2025, pointing to deeper regional market instability.

Summary

Asian stock markets suffered heavy losses on March 4, 2025, with South Korea's KOSPI index plunging 12.11%, causing a temporary trading halt, and Japan’s Nikkei 225 falling 3.61%. This represents the largest single-day drop for the KOSPI and the biggest Nikkei decline since April 2025. The selloff signals growing instability and heightened volatility across the region.

Terms & Concepts
  • Nikkei 225: A major stock market index tracking the performance of 225 large Japanese companies listed on the Tokyo Stock Exchange.
  • KOSPI: South Korea’s main stock market index, representing large and mid-sized companies listed on the Korea Exchange.