Dataset	Stock portfolio	Quarterly stock return rate mean (%)
Dataset	Stock portfolio	Period 1	Period 2	Period 3	Period 4
2016	All	−2.09	0.10	0.45	−0.75
	Top 100	−1.73	3.38	3.15	2.39
	Top 200	−1.45	3.30	2.95	1.75
	Top 300	−0.78	3.13	2.85	1.37
2017	All	−5.63	1.14	−3.98	−5.63
	Top 100	−2.32	4.15	−2.18	−5.12
	Top 200	−3.39	3.55	−2.15	−5.01
	Top 300	−3.44	3.09	−2.60	−4.56
2018	All	−6.56	−3.63	−3.92	11.58
	Top 100	−9.09	−0.63	−5.21	17.43
	Top 200	−8.99	−0.66	−3.91	18.52
	Top 300	−8.61	−1.17	−3.94	18.02
2019	All	−3.43	−1.61	1.70	−2.14
	Top 100	−0.19	−2.68	5.44	−3.16
	Top 200	−2.89	−1.28	3.80	−2.41
	Top 300	−2.41	−0.73	2.96	−1.85
2020	All	1.74	3.01	−0.53	−0.86
	Top 100	−10.18	9.25	2.68	9.15
	Top 200	−4.55	7.13	2.71	4.54
	Top 300	−2.85	6.09	2.45	3.32