Pre New-52:
08/2010: Action Comics #892 -- 36,401 (+ 3.0%)
09/2010: Action Comics #893 -- 33,948 (- 6.7%)
10/2010: Action Comics #894 -- 42,291 (+24.6%)
11/2010: Action Comics #895 -- 33,089 (-21.8%)
12/2010: Action Comics #896 -- 32,357 (- 2.2%)
01/2011: Action Comics #897 -- 32,134 (- 0.7%)
02/2011: Action Comics #898 -- 31,935 (- 0.6%)
03/2011: Action Comics #899 -- 31,808 (- 0.4%)
04/2011: Action Comics #900 -- 60,152 (+89.1%) [73,004]
05/2011: Action Comics #901 -- 44,143 (-26.6%)
06/2011: Action Comics #902 -- 41,960 (- 5.0%)
07/2011: Action Comics #903 -- 40,205 (- 4.2%)
08/2011: Action Comics #904 -- 39,323 (- 2.2%)
Rebirth:
06/2016: Action Comics #957 -- 82,884 (+136.1%) [95,893]
06/2016: Action Comics #958 -- 83,227 (- 4.6%) [91,462]
07/2016: Action Comics #959 -- 91,671 (+ 0.2%)
07/2016: Action Comics #960 -- 83,281 (- 9.2%)
08/2016: Action Comics #961 -- 79,003 (- 5.1%)
08/2016: Action Comics #962 -- 70,761 (- 10.4%)
09/2016: Action Comics #963 -- 60,824 (- 14.0%)
09/2016: Action Comics #964 -- 58,439 (- 3.9%)
10/2016: Action Comics #965 -- 55,678 (- 4.7%)
10/2016: Action Comics #966 -- 53,467 (- 4.0%)
11/2016: Action Comics #967 -- 50,611 (- 5.3%)
11/2016: Action Comics #968 -- 48,931 (- 3.3%)
12/2016: Action Comics #969 -- 46,573 (- 4.8%)
12/2016: Action Comics #970 -- 45,856 (- 1.5%)
01/2017: Action Comics #971 -- 44,894 (- 2.1%)
01/2017: Action Comics #972 -- 43,110 (- 4.0%)
02/2017: Action Comics #973 -- 43,047 (- 0.1%)
02/2017: Action Comics #974 -- 41,712 (- 3.1%)
03/2017: Action Comics #975 -- 47,382 (+ 13.6%)
03/2017: Action Comics #976 -- 46,846 (- 1.1%)
04/2017: Action Comics #977 -- 43,865 (- 6.4%)
04/2017: Action Comics #978 -- 43,555 (- 0.7%)
05/2017: Action Comics #979 -- 43,336 (- 0.5%)
05/2017: Action Comics #980 -- 42,811 (- 1.2%)
06/2017: Action Comics #981 -- 42,520 (- 0.7%)
06/2017: Action Comics #982 -- 41,799 (- 1.7%)