Whether it is good or bad for listed companies to acquire other companies depends on the specific situation. General acquisition means that advantageous enterprises absorb advantageous enterprises. After acquisition, resources can be integrated, which is beneficial to the development of enterprises. However, after the acquisition, the effect of resource reorganization will not be achieved, which will cause business burden to the acquisition company. In that case, it's not good.
In addition, if investors want to judge the quality of mergers and acquisitions, they can learn some analytical methods to evaluate the stock price of their assets.