9股周涨超50%，两股周涨超60%

Group 1 - A total of 11 stocks experienced a price increase of over 40% during the week from August 18 to August 22, with 2 stocks rising over 60% [1] - Kosen Technology had the highest weekly increase at 61.14%, followed closely by Garden Shares at 61.09%, Zhenan Technology at 53.11%, and Yuyin Shares at 46.20% [1] - In contrast, 14 stocks saw a decline of over 15% during the same week, with *ST Gaohong leading the drop at 22.67%, followed by Linuo Pharmaceutical Packaging at 22.05% and Sudar Shares at 19.33% [1]