Nikkei 225 Falls 4.9% in a Single Session

The Nikkei 225, Japan's benchmark stock index, closed at 64,425.95 on October 15, 2026, down 4.9%, or 3,318.34 points, according to The Japan Times. Intraday, it fell as low as 64,092.74 around 1 p.m., 5.39% below the prior close. The source does not link the drop to any specific policy action.