Group 1 - The core viewpoint of the article highlights the active performance of big data concept stocks in the secondary market, with an average increase of 18.2% since August [1] - Five stocks have seen cumulative increases exceeding 50%, specifically Huasheng Tiancheng, Jishi Media, Yingweike, Kexin Information, and Zhongke Jincai [1] - In terms of capital flow, 21 big data concept stocks have recorded a net financing buy-in of over 100 million yuan since August, with Yingweike, Inspur Information, Tonghuashun, Huasheng Tiancheng, and Kehua Data leading in net buy-in amounts [1] Group 2 - Among the 21 stocks with significant financing, Jishi Media has the lowest price-to-book ratio at only 1.63 times [1] - The average daily trading volume of these stocks has increased compared to the previous month, with 11 stocks experiencing a doubling in daily trading volume [1] - Jishi Media leads with an average daily trading volume of 2.226 billion yuan since August, showing a remarkable increase of 637.41% [1]