专业连锁板块2月3日涨1.65%，天音控股领涨，主力资金净流出1520.34万元

Group 1 - The professional chain sector increased by 1.65% on February 3, with Tianyin Holdings leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Key stocks in the professional chain sector showed various performance metrics, with Tianyin Holdings closing at 10.34, up 2.07% [1] Group 2 - The net outflow of main funds in the professional chain sector was 15.20 million yuan, while retail investors saw a net inflow of 31.09 million yuan [1] - Individual stock fund flows indicated that Jifeng Technology had a main fund net inflow of 5.19 million yuan, while retail investors had a net inflow of 2.57 million yuan [2] - Tianyin Holdings experienced a main fund net outflow of 5.02 million yuan, but retail investors had a significant net inflow of 14.99 million yuan [2]