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Top Stock Gainers August 2021 - Monthly Performance Ranked

Discover the best stocks of August 2021 ranked by monthly performance. Find out which public companies delivered the highest returns this month, with market caps over $100 million on Nasdaq and NYSE.
2021

This ranking shows the best performing stocks during August 2021, calculated from the first to the last trading day of the month. Using split-adjusted data ensures accurate performance calculations.

Monthly performance rankings help identify short-term momentum and sector rotation patterns that may not be visible in longer timeframes. These rapid movers often present opportunities for traders and momentum investors.

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Data as of March 16, 2026 at 11:10 PM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
1901
-12.61%
27.55 B
$ 1161.53
United States
Technology
1902
-12.62%
3.87 B
$ 90.55
United States
Consumer Cyclical
1903
-12.78%
3.70 B
$ 30.54
Canada
Basic Materials
1904
-13.05%
3.09 B
$ 24.57
United States
Technology
1905
-13.18%
7.64 B
$ 141.35
United States
Industrials
1906
-13.18%
220.06 M
$ 16.37
United States
Consumer Cyclical
1907
-13.29%
5.98 B
$ 161.95
United States
Industrials
1908
-13.44%
1.46 B
$ 15.77
United States
Consumer Cyclical
1909
-13.46%
398.10 M
$ 16.86
United States
Energy
1910
-13.75%
11.10 B
$ 82.1
United States
Technology
1911
-13.79%
886.93 M
$ 80.1
United States
Industrials
1912
-13.81%
356.59 M
$ 17.55
United States
Industrials
1913
-13.82%
2.70 B
$ 14.68
United States
Consumer Cyclical
1914
-13.82%
2.03 B
$ 11.67
United States
Technology
1915
-14.01%
146.09 B
$ 89.86
United Kingdom
Basic Materials
1916
-14.06%
68.05 B
$ 72.95
United States
Consumer Cyclical
1917
-14.21%
147.90 M
$ 15.72
United States
Financial Services
1918
-14.21%
48.85 B
$ 96.72
United States
Basic Materials
1919
-14.26%
15.25 B
$ 6.03
China
Consumer Cyclical
1920
-14.29%
642.68 M
$ 13.82
United States
Healthcare
1921
-14.31%
4.08 B
$ 4.18
Brazil
Energy
1922
-14.39%
8.83 B
$ 56.77
United States
Technology
1923
-14.65%
294.48 M
$ 5.83
United States
Financial Services
1924
-14.72%
244.86 M
$ 15.16
United States
Real Estate
1925
-14.94%
181.36 M
$ 2.48
United States
Industrials
1926
-15.05%
679.16 M
$ 7.68
United States
Consumer Defensive
1927
-15.1%
4.41 B
$ 57.74
United States
Financial Services
1928
-15.27%
1.34 B
$ 9.72
Ireland
Healthcare
1929
-15.35%
638.27 M
$ 1.73
China
Financial Services
1930
-15.51%
178.50 M
$ 17.59
United States
Financial Services
1931
-15.65%
179.26 B
$ 70.31
Australia
Basic Materials
1932
-15.83%
549.35 M
$ 30.69
United States
Industrials
1933
-15.97%
1.23 B
$ 24.43
United States
Consumer Defensive
1934
-16.03%
1.20 B
$ 47.81
United States
Communication Services
1935
-16.18%
230.25 M
$ 4.94
United States
Energy
1936
-16.48%
379.83 M
$ 0.5263
United States
Industrials
1937
-16.54%
326.38 B
$ 136.71
Hong Kong
Consumer Cyclical
1938
-16.66%
739.52 M
$ 15.77
United States
Energy
1939
-16.83%
1.39 B
$ 131.4
United States
Basic Materials
1940
-16.87%
509.78 M
$ 16.96
United States
Energy
1941
-17.35%
1.09 B
$ 3.65
Canada
Basic Materials
1942
-17.39%
772.98 M
$ 3.46
China
Communication Services
1943
-17.4%
309.49 M
$ 3.56
China
Financial Services
1944
-17.81%
579.35 M
$ 2.67
China
Consumer Defensive
1945
-18.27%
161.10 M
$ 5.75
United States
Consumer Cyclical
1946
-18.3%
461.21 M
$ 3.1
United States
Energy
1947
-18.37%
5.28 B
$ 4.94
Brazil
Energy
1948
-18.44%
110.46 M
$ 10.05
United States
Consumer Cyclical
1949
-18.45%
37.39 B
$ 20.45
United States
Consumer Cyclical
1950
-18.51%
19.26 B
$ 16.9
China
Real Estate
1951
-18.59%
3.44 B
$ 11.74
Canada
Basic Materials
1952
-18.6%
1.49 B
$ 7.49
Switzerland
Technology
1953
-18.73%
239.84 M
$ 15.75
United States
Consumer Cyclical
1954
-18.75%
25.41 B
$ 15.09
China
Communication Services
1955
-18.94%
126.53 M
$ 8.31
China
Financial Services
1956
-19.08%
1.62 B
$ 22.72
United States
Consumer Cyclical
1957
-19.4%
5.37 B
$ 6.55
United States
Industrials
1958
-20.17%
2.09 B
$ 11.2
United States
Industrials
1959
-20.33%
5.31 B
$ 17.03
China
Consumer Cyclical
1960
-20.35%
2.40 B
$ 225.18
United States
Consumer Defensive
1961
-20.51%
422.53 M
$ 5.47
United States
Healthcare
1962
-20.91%
1.27 B
$ 5.7
China
Consumer Cyclical
1963
-21.02%
2.16 B
$ 17.61
United States
Energy
1964
-21.98%
236.55 M
$ 2.72
Israel
Technology
1965
-22.29%
697.55 M
$ 1.56
United States
Financial Services
1966
-22.46%
14.67 B
$ 20.7
United States
Industrials
1967
-22.99%
1.42 B
$ 5.74
United States
Technology
1968
-23.17%
386.32 M
$ 10.46
Israel
Communication Services
1969
-23.92%
401.67 M
$ 6.99
United Kingdom
Technology
1970
-24.05%
169.73 M
$ 8.35
United States
Industrials
1971
-24.07%
1.02 B
$ 6.42
United Arab Emirates
Technology
1972
-24.1%
1.55 B
$ 1.17
Brazil
Basic Materials
1973
-24.61%
10.44 B
$ 197.95
United States
Consumer Cyclical
1974
-25.17%
6.30 B
$ 46.75
United States
Technology
1975
-25.29%
1.60 B
$ 47.37
United States
Energy
1976
-28.09%
370.38 M
$ 3.94
China
Consumer Defensive
1977
-32.58%
633.18 M
$ 9.65
United States
Communication Services
1978
-37.56%
190.11 M
$ 4.65
China
Financial Services
1979
-37.98%
152.15 M
$ 5.51
United States
Healthcare
1980
-39.12%
342.84 M
$ 8.05
United States
Technology
1981
-41.32%
283.87 M
$ 7.25
China
Technology
1982
-46.07%
668.49 M
$ 25.74
United States
Financial Services
1983
-46.97%
118.13 M
$ 0.6701
United States
Financial Services
1984
-50.62%
1.49 B
$ 2.44
China
Technology
1985
-89.84%
2.46 B
$ 31.67
United States
Real Estate
For the most accurate results, consider cross-referencing our data with other sources.