Zheng Xing Xing Ye Ri Bao·2025-12-30 08:56Group 1 - The optical optoelectronics sector experienced a slight increase of 0.0% on December 30, with Kaisheng Technology leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing a decrease of 0.0%, while the Shenzhen Component Index closed at 13604.07, up by 0.49% [1] - Kaisheng Technology's stock price rose by 10.00% to 12.43, with a trading volume of 1,002,900 shares and a transaction value of 1.233 billion yuan [1] Group 2 - The optical optoelectronics sector saw a net outflow of 702 million yuan from institutional investors, while retail investors contributed a net inflow of 599 million yuan [2] - The stock performance of several companies in the sector varied, with Yingchuan experiencing the largest decline of 8.22% to 16.30, and Qianzhao Optoelectronics falling by 4.65% to 23.81 [2] - The trading volume for Qianzhao Optoelectronics was notably high at 1,843,900 shares, resulting in a transaction value of 4.592 billion yuan [2] Group 3 - Kaisheng Technology had a net inflow of 353 million yuan from institutional investors, representing 28.63% of its trading volume, while it faced a net outflow of 220 million yuan from retail investors [3] - A total of 6,803 million yuan was net inflowed into TCL Technology from institutional investors, accounting for 3.83% of its trading volume [3] - The net inflow for Woge Optoelectronics from institutional investors was 46.39 million yuan, while it experienced a net outflow of 39.68 million yuan from retail investors [3]