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 August 21, there are 941 stocks with a circulating market value below 3 billion yuan, and 393 stocks with a circulating market value below 2 billion yuan [1] - A total of 1,606 stocks have a total market value below 5 billion yuan, with 542 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, Liren Technology at 603 million yuan, and Bofei Electric at 637 million yuan [1] - The three stocks with the smallest total market values are *ST Zitian at 444 million yuan, *ST Suwu at 682 million yuan, and *ST Yuancheng at 779 million yuan [1] - A detailed list of stocks with circulating market values below 2 billion yuan includes various sectors such as media, home appliances, and basic chemicals, with significant variations in price-to-earnings ratios [1][2]