Core Viewpoint - Helen Piano's stock price has dropped significantly following the announcement of a change in control, indicating market skepticism about the new ownership and its potential impact on the company's future [2][16]. Group 1: Stock Performance - Over four trading days, Helen Piano's market value decreased by 25%, with the stock price falling from a peak of 12 yuan to around 9 yuan [2]. - As of July 30, the stock closed at 9.03 yuan, down 2.48%, which is below the transaction price of 9.09 yuan per share for the new controlling shareholder, Cui Yongqing [4][2]. Group 2: New Controlling Shareholder - Cui Yongqing, born in 1982, has held positions as chairman and general manager of Quantuo Technology (Hangzhou) Co., Ltd. for the past five years [6]. - However, Quantuo Technology does not appear to be one of Cui's core enterprises or businesses, raising questions about his actual influence and capabilities [7][9]. Group 3: Corporate Structure and Ownership - The detailed equity change report lists 10 other core enterprises controlled by Cui Yongqing, but does not mention Quantuo Technology, where he holds only 13.64% of the shares, making him the second-largest shareholder [9][11]. - The largest shareholder of Quantuo Technology is Qiang Min, who holds 27.28% of the shares, indicating that Cui does not have majority control [9]. Group 4: Market Reactions and Future Outlook - Following the announcement of the control change, Helen Piano's stock experienced high volatility, opening up 16.62% but closing down 4.76% on the same day, with a turnover rate of 23.64% [16]. - Chairman Chen Hailun's comments about the share transfer and a personal loan of 200 million yuan to improve cash flow have not reassured the market, as the company's stock continues to decline [16][18].