通信服务板块2月3日涨0.73%，南凌科技领涨，主力资金净流出1.97亿元

Core Viewpoint - The communication services sector experienced a rise of 0.73% on February 3, with notable gains from companies like Nanling Technology, which led the sector with an increase of 8.46% [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 4067.74, up by 1.29%, while the Shenzhen Component Index closed at 14127.1, up by 2.19% [1]. - Key stocks in the communication services sector showed significant price increases, with Nanling Technology closing at 29.99, up 8.46%, and Guanghuan New Network at 16.40, up 7.68% [1]. Group 2: Trading Volume and Value - Nanling Technology had a trading volume of 324,000 shares, resulting in a transaction value of 941 million yuan [1]. - Guanghuan New Network recorded a trading volume of 1,985,400 shares, with a transaction value of 3.179 billion yuan [1]. Group 3: Capital Flow - The communication services sector saw a net outflow of 197 million yuan from institutional investors, while retail investors contributed a net inflow of 228 million yuan [2]. - Notable capital flows included a net inflow of 200 million yuan into Data Port, while Nanling Technology experienced a net inflow of 71.885 million yuan from institutional investors [3].