Definition
Japan's best-known stock index: 225 large companies listed in Tokyo, weighted by share price.
The story
On Nov 4, 2026, the Nikkei 225 fell 1.4% to 62,188.63 as US election results came in, per AP (the Associated Press). Because it's price-weighted, like the Dow, a few high-priced stocks have an outsized effect.
Why markets watch it
It's one of the first major markets to react to overnight US news, so it sets the tone for the Asian session.
Connects to
Last seen in
We explain why it moves markets. What you do with it is your call. Commentary and education only. Not financial advice. All terms