Xin Hua Cai Jing·2025-12-12 07:26Core Points - The Sci-Tech Innovation 50 Index opened with adjustments on December 12, then fluctuated upwards, closing significantly higher at 1348.88 points, with an increase of 1.74% and a trading range of 2.83%, totaling a transaction volume of approximately 83.87 billion yuan [1] - The Sci-Tech Comprehensive Index also rose by 1.77%, closing at 1611.93 points, with a total transaction volume of about 248 billion yuan. Among the 595 stocks in the Sci-Tech board, most rose while low-priced stocks showed mixed performance [2] Stock Performance - The top performer was Jingfeng Mingyuan, which hit the daily limit, while Moer Thread saw the largest decline at 13.41% [3] Transaction Volume - Cambrian Technology led in transaction volume with 12.5 billion yuan, while Conglin Technology had the lowest at 465 million yuan [4] Turnover Rate - Moer Thread had the highest turnover rate at 42.26%, while Weigao Orthopedics had the lowest at 0.2% [5]