Group 1 - Tokyo Central Auction's stock price experienced significant volatility, soaring 200% on April 22 and later dropping over 35% after resuming trading on May 6 [1] - The stock price surge is linked to a major acquisition announcement, where the controlling shareholder plans to sell approximately 375 million shares, representing about 74.99% of the company's total issued share capital [1][2] - The total price for the 375 million shares is approximately HKD 165 million, equating to HKD 0.44 per share, which is a 54% discount compared to the closing price of HKD 0.95 on May 7 [2] Group 2 - ESSA Financial Group Ltd, the buyer, is fully owned by Huang Shikun, who is also the sole director, indicating a strong personal investment in the acquisition [2] - Post-acquisition, Huang Shikun will become the largest shareholder with a 65.99% stake, with the acquisition expected to cost around HKD 145 million [2] - Tokyo Central Auction operates primarily in the auction business for Chinese and Japanese art, but has faced declining revenues, with a reported revenue of HKD 58.54 million in 2024, down 20.21% year-on-year, and a significant loss of HKD 26.89 million [3]