Definition
Hong Kong's main stock index, tracking the largest companies listed there, including many big Chinese firms.
The story
On Nov 4, 2026, the Hang Seng rose 1.1% to 23,791.61, per AP (the Associated Press). Japan and Taiwan, both heavy in AI (artificial intelligence) stocks, fell the same day. Because many mainland Chinese companies list in Hong Kong, it's a key window into China for global investors.
Why markets watch it
It reflects how international money feels about China.
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