Hong Kong's Hang Seng Index dived 9.41 percent, or 2,172.99 points, to 20,926.79. The loss is its heaviest since 2008 during the global financial crisis.

Source:

https://www.barrons.com/amp/news/hong-kong-stocks-plunge-more-than-9-biggest-fall-in-16-years-b4c11024