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京东方近年来多次海外收购,到底收效如何此次海外收购的市场反应在市场有效率的情况下,一切公司内部或外部的信息、短期或长期的计划,都将引起公司股价的波动,因此,股价是公司难以操控的因素,这使股价成为衡量公司业绩以及未来发展前景的真正标准。所以,可以通过观察股价变化来检验市场对收购公告的反应程度,从而发现收购对公司经营状况的影响。本文采用事件研究法对收购公告的市场反应进行研究。我们把京东方实际实现的收益率与其预
In recent years, BOE has made many overseas acquisitions. In the end, how does the market response to overseas acquisitions work? With market efficiency, all internal or external information of companies, short-term or long-term plans will cause fluctuations in the stock price of the company. Therefore, The stock price is a factor difficult for the company to control, which makes the stock price a real measure of company performance and future development prospects. Therefore, the degree of reaction of the market to the announcement of purchase can be examined by observing changes in the stock price, and the impact of the acquisition on the company’s operating conditions can be discovered. This article uses the event research method to study the market reaction of the acquisition announcement. We put BOE’s actual realized yield and pre-