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 18, there are 981 stocks with a circulating market value below 3 billion yuan, and 410 stocks with a circulating market value below 2 billion yuan [1] - A total of 1,641 stocks have a total market value below 5 billion yuan, with 582 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 584 million yuan, and Bofei Electric at 639 million yuan [1] - The three stocks with the smallest total market values are *ST Zitian at 444 million yuan, *ST Suwu at 697 million yuan, and *ST Yuancheng at 752 million yuan [1] - A detailed list of stocks with circulating market values below 2 billion yuan includes various sectors such as media, household appliances, and basic chemicals, with notable examples like *ST Zitian and Liren Technology [1][2]