Industry sector

Drawing group

Stock return rate mean (%)

2017

2018

2019

2020

2021

V1

Information Transmission, Software & Information Technology Services

#B

−30.56***

−36.33***

5.63*

5.26*

−11.36

#A

−22.03***

−24.41***

15.12*

13.78*

−6.46

V2

Construction

#B

−8.58*

−36.01*

−7.76

−1.83

9.86

#A

0.60*

−30.48*

−2.98

−9.44

13.37

V3

Production & Supply of Electricity, Heat, Gas, Water

#B

−6.88

−25.51

−4.76

−7.28

35.64

#A

3.12

−22.41

0.98

−8.11

35.60

V4

Mining

#B

7.54

−26.24*

0.44

−3.77

47.07

#A

7.45

−18.12*

3.90

−3.56

33.90

V5

Wholesale & Retail

#B

−13.20

−26.74

−4.92

12.60

4.45*

#A

−8.95

−31.82

−8.24

4.69

30.04*

V6

R&D Research Services

#B

−21.88

−36.31

−12.09

0.13

19.39

#A

−13.80

−35.10

−7.50

7.26

6.64

V7

Management of Water Conservancy, Environment & Public Facilities

#B

−17.54

−39.42

−15.51

−7.48

−8.80***

#A

−10.14

−35.95

−17.20

−0.83

9.71***

V8

Transportation, Warehousing & Postal

#B

17.17

−24.24

0.48

−11.22

5.91

#A

8.91

−25.46

1.95

−8.18

6.22

V9

Finance

#B

−10.19***

−21.02*

21.52

4.16

0.54

#A

17.94***

−3.12*

19.79

−9.02

0.95

V10

Real Estate

#B

−6.45

−29.67

2.17

−10.45

−12.92*

#A

−16.54

−31.54

1.26

−9.11

9.58*