The share prices of Hong Kong's two major AI model companies have fallen sharply, with Knowledge Atlas (HKEX: 02513) experiencing an intraday drop exceeding 16% and Minimax currently down over 13%.

Looking at individual stocks, Knowledge Atlas saw its share price double within just six trading days following the release of its GLM-5.2 open-source model on June 17th. The stock reached a historic intraday high of HK$2,980 on June 22nd, pushing its market capitalization past HK$1.27 trillion at one point. Recently, the share price of Knowledge Atlas has exhibited high volatility, with several instances of sharp intraday declines.