Japan's Main Stock Index Falls 4.9% in One Day

Japan's main stock index, the Nikkei 225, fell 4.9% on October 15, 2026, closing at 64,425.95. That is a drop of 3,318.34 points, according to The Japan Times. During the day it sank as low as 64,092.74 around 1 p.m., 5.39% below the previous close. The source does not link the fall to any specific policy decision.