Zheng Xing Xing Ye Ri Bao·2026-01-20 08:59Group 1 - The advertising and marketing sector saw a slight increase of 0.26% on January 20, with Jiyun Technology leading the gains [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] - Jiyun Technology's stock price rose by 19.92% to 6.38, with a trading volume of 1.23 million shares and a transaction value of 750 million [1] Group 2 - The advertising and marketing sector experienced a net inflow of 589 million in main funds, while retail investors saw a net outflow of 748 million [2] - The top gainers in the sector included Zhejiang Wenlian, which increased by 10.04% to 9.97, and Yaowang Technology, which rose by 10.01% to 7.47 [1][2] - The stock of Yidian Tianxia fell by 20.00% to 65.06, with a trading volume of 65,100 shares and a transaction value of 424 million [2] Group 3 - Main funds showed significant inflow into Zhejiang Wenlian, with a net inflow of 3.30 billion, while retail investors had a net outflow of 1.36 billion [3] - Jiyun Technology had a net inflow of 1.82 billion from main funds, but retail investors experienced a net outflow of 1.17 billion [3] - The overall trend indicates a divergence in fund flows, with main funds favoring certain stocks while retail investors are pulling back [3]