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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 17, 2026 at 9:05 AM EDT

Rank
Symbol
Company Name
Aug Gain
Market Cap
Price
Country
Sector
1801
-7.46%
4.01 B
$ 4.01
South Korea
Technology
1802
-7.51%
3.09 B
$ 14.21
United States
Industrials
1803
-7.53%
12.46 B
$ 103.08
United States
Utilities
1804
-7.54%
9.49 B
$ 63.13
United States
Consumer Cyclical
1805
-7.55%
6.09 B
$ 3.8
Brazil
Consumer Defensive
1806
-7.56%
9.37 B
$ 73.65
United States
Industrials
1807
-7.58%
6.22 B
$ 35.48
United States
Energy
1808
-7.61%
710.04 M
$ 4.3
China
Financial Services
1809
-7.71%
18.49 B
$ 93.3
United States
Healthcare
1810
-7.72%
71.68 B
$ 268.35
United States
Healthcare
1811
-7.74%
453.80 B
$ 508.5
United States
Financial Services
1812
-7.76%
2.17 B
$ 14.29
Singapore
Industrials
1813
-7.76%
8.96 B
$ 40.12
United States
Real Estate
1814
-7.76%
1.76 B
$ 8.99
United Kingdom
Consumer Cyclical
1815
-7.82%
439.98 M
$ 5.13
United States
Communication Services
1816
-7.92%
1.55 B
$ 54.09
United States
Consumer Cyclical
1817
-7.99%
8.32 B
$ 13.22
United Kingdom
Communication Services
1818
-8.04%
7.24 B
$ 18.52
United States
Consumer Cyclical
1819
-8.05%
5.63 B
$ 52.6
United States
Technology
1820
-8.05%
36.32 B
$ 526.89
United States
Energy
1821
-8.07%
1.33 B
$ 9.04
United States
Energy
1822
-8.14%
8.68 B
$ 23.34
United States
Consumer Cyclical
1823
-8.16%
26.12 B
$ 50.44
United States
Technology
1824
-8.27%
6.12 B
$ 41.71
United States
Consumer Cyclical
1825
-8.29%
2.95 B
$ 52
United States
Consumer Cyclical
1826
-8.32%
49.18 B
$ 254.13
Canada
Basic Materials
1827
-8.37%
2.52 B
$ 49.32
United States
Consumer Cyclical
1828
-8.4%
1.73 B
$ 74.2
United States
Consumer Defensive
1829
-8.4%
21.41 B
$ 167.45
United States
Technology
1830
-8.45%
6.60 B
$ 3.34
Brazil
Basic Materials
1831
-8.52%
23.69 B
$ 300.26
United States
Industrials
1832
-8.54%
1.24 B
$ 19.95
United States
Financial Services
1833
-8.55%
826.93 M
$ 18.34
United States
Technology
1834
-8.55%
11.63 B
$ 23.4
United States
Healthcare
1835
-8.55%
1.53 B
$ 5.16
United States
Real Estate
1836
-8.58%
577.59 M
$ 5.54
United States
Energy
1837
-8.59%
5.91 B
$ 22.88
United States
Industrials
1838
-8.62%
368.96 M
$ 30.09
United States
Energy
1839
-8.64%
628.06 M
$ 55.2
United States
Energy
1840
-8.68%
34.35 B
$ 3.25
Brazil
Financial Services
1841
-8.74%
2.12 B
$ 9
United States
Consumer Cyclical
1842
-8.75%
1.89 B
$ 38.99
United States
Real Estate
1843
-8.77%
678.65 M
$ 8.15
United States
Real Estate
1844
-8.79%
3.19 B
$ 42.4
United States
Consumer Defensive
1845
-8.84%
7.09 B
$ 31.83
Cyprus
Energy
1846
-8.84%
3.71 B
$ 191
United States
Consumer Cyclical
1847
-8.9%
3.02 B
$ 10.21
Canada
Basic Materials
1848
-8.9%
6.80 B
$ 11.18
China
Consumer Defensive
1849
-8.93%
4.61 B
$ 39.24
United States
Industrials
1850
-8.98%
1.47 B
$ 18.02
United States
Industrials
1851
-9.09%
9.17 B
$ 36.09
Peru
Basic Materials
1852
-9.13%
9.66 B
$ 15.3
South Africa
Basic Materials
1853
-9.17%
884.31 M
$ 7.14
Germany
Consumer Cyclical
1854
-9.23%
15.46 B
$ 71.57
Switzerland
Consumer Cyclical
1855
-9.27%
6.34 B
$ 182.78
United States
Consumer Cyclical
1856
-9.27%
804.76 M
$ 7
Mexico
Industrials
1857
-9.34%
113.47 M
$ 17.57
Germany
Financial Services
1858
-9.34%
3.71 B
$ 12.47
Canada
Utilities
1859
-9.39%
996.84 M
$ 139.38
United States
Industrials
1860
-9.41%
19.04 B
$ 302.56
United States
Consumer Cyclical
1861
-9.41%
7.60 B
$ 40.26
Canada
Basic Materials
1862
-9.46%
128.44 M
$ 5.43
United States
Consumer Cyclical
1863
-9.57%
20.20 B
$ 147.48
United States
Industrials
1864
-9.64%
355.23 M
$ 2.2
Canada
Basic Materials
1865
-9.72%
1.05 B
$ 34.89
Greece
Energy
1866
-9.74%
1.05 B
$ 10.8
Canada
Consumer Cyclical
1867
-9.8%
875.91 M
$ 10.23
Peru
Basic Materials
1868
-9.9%
560.16 M
$ 25.43
United States
Consumer Cyclical
1869
-10%
155.13 B
$ 74.66
United States
Technology
1870
-10.01%
541.28 M
$ 30.69
United States
Consumer Cyclical
1871
-10.02%
2.08 B
$ 60.84
United States
Consumer Cyclical
1872
-10.06%
381.83 M
$ 1.47
United States
Technology
1873
-10.09%
64.25 B
$ 15.05
Brazil
Basic Materials
1874
-10.14%
3.61 B
$ 62.16
United States
Basic Materials
1875
-10.14%
1.32 B
$ 25.46
China
Technology
1876
-10.25%
105.14 B
$ 210.16
Canada
Basic Materials
1877
-10.31%
628.78 M
$ 16.85
Mexico
Consumer Cyclical
1878
-10.31%
251.28 M
$ 7.13
United States
Consumer Cyclical
1879
-10.43%
17.09 B
$ 34.76
United States
Healthcare
1880
-10.79%
7.88 B
$ 103.78
Sweden
Consumer Cyclical
1881
-10.88%
10.55 B
$ 59.36
United States
Basic Materials
1882
-11.28%
4.08 B
$ 9.15
United States
Financial Services
1883
-11.33%
4.17 B
$ 86.24
United States
Real Estate
1884
-11.53%
42.20 B
$ 22.2
Australia
Energy
1885
-11.58%
5.90 B
$ 252.45
United States
Consumer Cyclical
1886
-11.61%
847.73 M
$ 4.87
United States
Consumer Cyclical
1887
-11.82%
1.21 B
$ 26.84
United States
Industrials
1888
-11.89%
51.20 B
$ 217.59
United States
Healthcare
1889
-12.1%
2.95 B
$ 17.41
United States
Consumer Cyclical
1890
-12.13%
2.02 B
$ 16.25
United States
Healthcare
1891
-12.14%
1.14 B
$ 2.43
United States
Communication Services
1892
-12.17%
1.72 B
$ 13.8
United States
Basic Materials
1893
-12.18%
11.65 B
$ 19.64
Canada
Basic Materials
1894
-12.2%
8.42 B
$ 21.14
Canada
Basic Materials
1895
-12.21%
18.64 B
$ 374.07
United States
Industrials
1896
-12.26%
103.59 M
$ 2.86
South Korea
Technology
1897
-12.36%
1.64 B
$ 7.79
Uruguay
Consumer Cyclical
1898
-12.44%
3.05 B
$ 48.94
United States
Technology
1899
-12.49%
7.85 B
$ 15.93
China
Consumer Cyclical
1900
-12.52%
11.08 B
$ 51.81
United States
Consumer Cyclical
For the most accurate results, consider cross-referencing our data with other sources.