Informed trading around merger and acquisition announcements: Evidence from the UK equity and options markets

2010 ◽  
Vol 31 (8) ◽  
pp. 703-726 ◽  
Author(s):  
Spyros Spyrou ◽  
Andrianos Tsekrekos ◽  
Georgia Siougle
2012 ◽  
Vol 9 (3) ◽  
pp. 288-302 ◽  
Author(s):  
Mohamed Sherif

Using the UK data and the standard Event Study methodology framework, the wealth effects of target and acquiring companies involved in merger and acquisition activities over the period from 2000 to 2010 is investigated. Further, we extend our analysis to examine the financing payments of M&A transactions using various test models, namely the size-deciles (SD) control model, Hoare-Govett small companies model, index model (IM), market model (MM) and the capital asset pricing model (CAPM). The results in general indicate that target companies obtain significantly positive and higher abnormal returns than those obtained by the UK acquirers. The results are positively associated with cash offers used in financing the merger and acquisition transactions. Consistent with previous studies we found no clear pattern of abnormal returns around the announcement period for the UK acquirers. Interestingly, the five different test models are generally found to produce similar levels of abnormal returns


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