巨星传奇港股涨近20%

Group 1 - The core point of the article is that the stock of a company named "巨星传奇" surged nearly 20% in the afternoon trading session, driven by news of a joint venture with "宇树科技" to establish "宇星娱乐科技有限公司" [2] Group 2 - The joint venture involves a wholly-owned subsidiary of the company and a wholly-owned subsidiary of "宇树科技," indicating a strategic partnership aimed at expanding their business operations [2]