Nikkei 225 Soars 22,000 Points in a Year — Chips Do Nearly All the Work

Japan's Nikkei 225 climbed from roughly 43,460 in September 2025 to about 66,400 by September 7, 2026 — a 22,000-point gain, per Reuters and WSJ. One sector drove most of it: semiconductor stocks. Every WSJ session report in the verified set names chip-related shares as the index's primary mover, up or down. That concentration cuts both ways.