Group 1 - Huawei Pangu concept declined by 3.69%, ranking among the top declines in the concept sector as of September 23 [1] - ST Chuangyi experienced a 20% limit down, while other companies like Tuo Wei Information, Sunshine Nuohe, and Huakai Yibai also saw significant declines [1] - The concept sector saw a net outflow of 1.889 billion yuan, with 22 stocks experiencing net outflows, and 7 stocks seeing outflows exceeding 50 million yuan [2] Group 2 - The stock with the highest net outflow was Tuo Wei Information, with a net outflow of 694 million yuan, followed by Changshan Beiming and Ruantong Power with outflows of 265 million yuan and 205 million yuan respectively [2] - The top net inflow stocks included Xinkai Pu, Fanwei Network, and Jihong Co., with net inflows of 26.29 million yuan, 9.72 million yuan, and 7.12 million yuan respectively [2] - The trading volume for Tuo Wei Information was 12.61%, with a decline of 6.68%, indicating significant trading activity despite the drop [3]