Group 1 - The core viewpoint is that Meibang Co., Ltd. (605033) experienced extreme volatility with a rapid rise and fall in stock price, highlighting the speculative nature of the market [1][3] - The stock surged 48% over five consecutive trading days, driven by speculative trading tactics, including creating hype around policy themes like "Western Development + Green Pesticides," despite the company's biological pesticide revenue being less than 10% [3][4] - The trading volume reached 63 million, with a significant fluctuation of 20% in a short period, indicating high volatility and speculative trading behavior [1][3] Group 2 - The stock's opening surge was followed by a sharp decline, with a peak trading volume of 6.74 billion, suggesting that the initial enthusiasm was not backed by solid fundamentals [3][4] - The company's fundamentals are weak, with a price-to-earnings ratio of 159, significantly higher than the industry average of 30, and a 32.6% decline in net profit in the first quarter [3][4] - The agricultural pesticide industry is facing overcapacity, and Meibang's market share is below 1%, with a growth rate of only 5%, raising concerns about its ability to sustain high valuations [4]