主力板块资金流出前10：互联网服务流出147.38亿元、软件开发流出90.73亿元

Core Viewpoint - The major market experienced a net outflow of 48.602 billion yuan in principal funds as of January 16, with significant withdrawals from various sectors [1]. Group 1: Sector Performance - The top ten sectors with the largest net outflows include: - Internet Services: -2.89% with a net outflow of 14.738 billion yuan [2] - Software Development: -2.29% with a net outflow of 9.073 billion yuan [2] - Cultural Media: -4.48% with a net outflow of 6.488 billion yuan [2] - Non-ferrous Metals: -0.47% with a net outflow of 5.372 billion yuan [2] - Communication Equipment: -0.2% with a net outflow of 4.046 billion yuan [2] - Aerospace: -1.22% with a net outflow of 3.629 billion yuan [2] - Power Grid Equipment: +1.8% with a net outflow of 3.587 billion yuan [3] - Energy Metals: -2.96% with a net outflow of 2.991 billion yuan [3] - Batteries: -0.37% with a net outflow of 2.472 billion yuan [3] - Medical Services: -2.89% with a net outflow of 2.371 billion yuan [3] Group 2: Notable Companies - The companies with the largest net outflows in their respective sectors include: - State Grid Information Communication in Internet Services [2] - iFlytek in Software Development [2] - Wanrun Technology in Cultural Media [2] - Chuangjiang New Materials in Non-ferrous Metals [2] - Tianfu Communication in Communication Equipment [2] - Guangqi Technology in Aerospace [2] - Siyuan Electric in Power Grid Equipment [3] - Greenme in Energy Metals [3] - Enjie in Batteries [3] - WuXi AppTec in Medical Services [3]