Group 1 - The stock of Han Jian He Shan has achieved 7 consecutive daily limit-ups within 11 days, indicating strong market interest and trading activity [1] - On the latest trading day, the stock reached a limit-up at 10:59 AM with a trading volume of 597 million yuan and a turnover rate of 19.91% [1] - The recent price movements are attributed to speculation surrounding mergers and acquisitions, which has heightened market attention and driven stock price fluctuations [1]