Shares of Zhipu (02513.HK) in Hong Kong surged over 45% at one point during trading, but have since narrowed their gains to 29%. In related news, amidst the backdrop of its overseas competitors' most powerful models being banned globally due to government regulations, Zhipu announced that its most capable open-source model, GLM-5.2, is fully open-source and will be released next week under the MIT license. This move aims to attract global developers through an open strategy.