部分高位人气股跳水

Group 1 - The article reports a significant drop in the stock prices of several high-profile companies as of December 31, with Luyuan Pharmaceutical hitting the daily limit down [1] - Luyuan Pharmaceutical's stock price decreased by 9.99%, closing at 21.18, while Yangzi New Materials fell by 9.38% to 3.96 [2] - Other companies that experienced declines include Unification Holdings (-8.52% to 26.64), Saiwei Electronics (-6.68% to 58.00), Baida Group (-5.32% to 16.36), and Shanghai Jiubai (-6.19% to 10.61) [2]