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. 2024 Apr 12;10(8):e29400. doi: 10.1016/j.heliyon.2024.e29400

Table 2.

AR and CAR around M&A announcement. Day 0 is announcement day. *p < 0.1. **p < 0.05. ***p < 0.01

Acquiring firms
Target firms
AR p-value AR p-value
Day −5 0.26 0.1021 −1.09 0.1341
Day −4 −1.76 0.2813 −1.23 0.2123
Day −3 1.55 0.1983 −1.76 0.1746
Day −2 2.18 0.3390 −0.45 0.3294
Day −1 −2.14** 0.0371 2.08** 0.0174
Day 0 −1.07** 0.0194 1.2*** 0.0024
Day +1 −0.65*** 0.0011 1.77*** 0.0016
Day +2 −1.76* 0.0569 2.65** 0.0451
Day +3 −0.55* 0.0782 1.93* 0.0652
Day +4 −0.14** 0.0237 0.67** 0.0347
Day +5 −1.21** 0.0135 −1.31** 0.0198
Day +6 0.58 0.2125 2.18 0.1245
Day +7 1.30 0.1980 0.99 0.1212
Day +8 −1.05 0.1783 −1.65 0.2213
Day +9 2.01 0.2090 2.01 0.2150
Day +10
0.08
0.3201
0.05
0.2891
Event window
CAR
p-value
CAR
p-value
Window (−5,-2) 2.23 0.1782 −4.53* 0.0821
Window (−1,+1) −3.86*** 0.0021 5.05*** 0.0002
Window (−1,+3) −6.17*** 0.0009 9.63*** 0.0042
Window (−1,+5) −7.52* 0.0561 8.99** 0.0321
Window (−1,+7) −5.64 0.2091 12.16 0.1021
Window (−1,+10) −4.60 0.2283 12.57 0.2815