Group 1 - Small-cap stocks exhibit higher volatility and activity compared to large-cap stocks, making them more likely to become market leaders [1] - As of September 4, there are 1,038 stocks with a circulating market value below 3 billion yuan, and 436 stocks with a circulating market value below 2 billion yuan [1] - A total of 1,734 stocks have a total market value below 5 billion yuan, with 634 stocks having a total market value below 3 billion yuan [1] Group 2 - The three stocks with the smallest circulating market values are *ST Zitian at 440 million yuan, Bofei Electric at 598 million yuan, and Kuntai Co. at 614 million yuan [1] - The three stocks with the smallest total market values are *ST Zitian at 444 million yuan, *ST Yuancheng at 704 million yuan, and *ST Suwu at 739 million yuan [1] - A detailed list of stocks with circulating market values below 2 billion yuan includes various sectors such as media, basic chemicals, automotive, and machinery [1][2]