Observe how the stock prices shift around the declaration dates (1 day before to 1 day after the declared date) for each of the 3 dividend events. Explain why such shifts are expected or unexpected.
Amount	Record Date	ExDiv Date	Pay Date
1.02	7/15/2020	9/3/2020	9/30/2020
1.02	5/5/2020	6/4/2020	6/30/2020
0.96	2/10/2020	3/5/2020	3/31/2020
Date	Open	High	Low	Close	Volume	Price Move (%)	Record Date
07/14/2020	134.59	136.952	134.25	135.52	6765759	0.45	7/15/2020
07/16/2020	134.056	134.36	133.05	133.88	3787074	0.14	7/15/2020
05/04/2020	130.17	131.35	129.325	130.92	5245254	0.6	5/5/2020
05/06/2020	131.58	132.23	130.69	130.78	4192435	-0.68	5/5/2020
02/07/2020	144.26	145.72	143.83	145.37	3138631	0.72	2/10/2020
02/11/2020	146.21	146.36	144.87	146.08	3870725	0.29	2/10/2020