Xin Hua Cai Jing·2026-01-07 07:45Group 1 - The Sci-Tech Innovation 50 Index opened high on January 7, fluctuated within a narrow range, turned negative in the afternoon, and then rose significantly, closing at 1443.39 points with an increase of 0.99% and a total trading volume of approximately 871.3 billion yuan [1] - The Sci-Tech Innovation Composite Index rose by 1.53% on January 7, closing at 1746.72 points with a total trading volume of about 3094 billion yuan. The average increase for the 600 stocks in the Sci-Tech Innovation Board was 1.73% with an average turnover rate of 4.27% [2] - High-priced stocks generally rose while low-priced stocks showed mixed performance. Notably, component stocks and electrical equipment stocks performed strongly, while healthcare and communication equipment stocks had the largest declines [2] Group 2 - The stock with the highest trading volume was Cambrian with 94.2 billion yuan, while ST Pava had the lowest trading volume at 482.2 million yuan [3] - The stock with the highest turnover rate was Hengkang New Materials at 41.79%, while Longteng Optoelectronics had the lowest turnover rate at 0.26% [4]