1. Generally, a listed company that loses money after acquisition will inject new assets and reorganize. So it will generally go up.
2. Generally, the acquirer will buy shares from the major shareholders of listed companies at a lower price, but the shares circulating in the hands of retail investors are generally purchased at a premium. Generally, it will rise sharply within a few days after the announcement, and Hong Kong stocks have no daily limit. Therefore, the increase will generally be very large.