Group 1 - The core event involves a sudden surge in the stock price of Xiangyang Bearing, which hit the daily limit on November 28, potentially linked to a social media post from a distressed shareholder seeking help for his sick child [2] - The post went viral, leading to a significant increase in trading volume, with over 2.27 billion yuan traded in just five minutes, accounting for 24% of the total trading volume for the day [2] - On the same day, there was a net inflow of 4.445 billion yuan from institutional investors into Xiangyang Bearing [2] Group 2 - Comments from investors reflected a mix of emotional support and optimism, with phrases like "the market is driven by positive energy" and "the stock market is ruthless, but people are kind" circulating widely [3] - The company’s representatives stated they were unaware of the specific social media post's impact, attributing the stock's performance to market dynamics rather than any internal factors [4] - There are concerns that the situation may mirror previous stock market manipulations, such as the case of Shanghai Construction, which also saw a sudden price increase driven by social media hype [4]