Growth through mergers and acquisitions offers the greatest possibilities to grow quickly compared with organic growth and growth through innovation. But acquirers usually overpay for the target. Some blame it as reasons for long-run underperformance; some even take it as a bad decision. This paper first uses the average target characteristics around M&A announcement date as explanatory variables and premium one week before announcement date as the dependent variable, then the study use the monthly average P/E ratio of targets acquired and market P/E ratio as independent variables, the monthly average premium of targets received as dependent variables and regress on the time series data. The result shows that the monthly average premium of targets received has a negative significantly effect on the monthly average premium received by the targets involved Keywords: M&A, market P/E ratio, P/E ratio, premium