短剧游戏指数表现强势，掌阅科技涨停

Group 1 - The short drama game index showed strong performance on December 31, with significant gains in several companies [1] - Zhangyue Technology reached the daily limit increase, indicating strong investor interest [1] - Other companies such as Sai Group, Yuanlong Yatu, Huace Film & TV, and Zhongwen Online also saw their stock prices rise by over 4% [1]