Core Insights - Recent popular stocks have shown renewed activity, with significant movements in margin trading funds behind them [1][2][3][4] Group 1: Margin Trading Fund Movements - New Yi Sheng (300502) experienced a significant increase in financing balance from under 3 billion to over 17 billion, but recently saw a decline to 15.66 billion [1] - Zhongji Xuchuang (300308) saw its financing balance rise from below 15 billion to a new high of 17.02 billion after a brief decrease [2] - Tianfu Communication (300394) had fluctuations in its financing balance, dropping to 2.83 billion before increasing again to 2.94 billion [2] - Dayou Energy (600403) showed limited growth in financing balance, increasing from 0.62 billion to 0.83 billion [2] - Haikong Group (603069) had a financing balance increase from 2.96 billion to 3.14 billion, despite some recent decline [3] Group 2: Stock Performance and Trading Activity - Hefei Urban Construction (002208) saw a price increase of over 80% in October, with significant net buying from the Shenzhen Stock Connect [4] - Online and Offline (300959) experienced a cumulative increase of over 120% since mid-September, with multiple institutional net purchases exceeding 50 million [4] - Deshi Co., Ltd. had consecutive trading days with a 20% limit up, with net buying activity from institutional seats [4]