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#1 AMC leads with +169% May 2021

AMC (AMC Entertainment Holdings, Inc.) is the best performing stock in May 2021. Following are JILL (+110%) and BBW (+86%). Top performing sectors: Communication Services (+48% avg, 1 in top 10), Real Estate (+37% avg), Consumer Cyclical (+36% avg, 2 in top 10).

Top Stock Gainers May 2021 - Monthly Performance Ranked

Discover the best stocks of May 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 May 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.

Looking for a specific Symbol?

Data as of March 18, 2026 at 1:46 AM EDT

Rank
Symbol
Company Name
May Gain
Market Cap
Price
Country
Sector
1
169%
571.91 M
$ 1.08
United States
Communication Services
2
109.75%
242.12 M
$ 15.9
United States
Consumer Cyclical
3
85.54%
524.52 M
$ 39.96
United States
Consumer Cyclical
4
80.54%
2.09 B
$ 44.96
United States
Basic Materials
5
57.86%
4.31 B
$ 35.4
United States
Energy
6
55.06%
193.79 M
$ 2.65
United States
Industrials
7
54.19%
2.45 B
$ 190.87
United States
Basic Materials
8
50.34%
1.05 B
$ 34.86
Greece
Energy
9
44.58%
1.09 B
$ 8.11
United States
Industrials
10
43.81%
335.95 M
$ 2.3
United States
Technology
11
42.95%
763.90 M
$ 16.29
United States
Energy
12
41.93%
110.46 M
$ 10.05
United States
Consumer Cyclical
13
39.97%
13.15 B
$ 19.62
United States
Basic Materials
14
39.74%
511.28 M
$ 17.01
United States
Energy
15
37.77%
247.77 M
$ 15.34
United States
Real Estate
16
37.46%
314.04 M
$ 36.35
United States
Real Estate
17
36.87%
10.57 B
$ 23.59
United States
Consumer Cyclical
18
36.81%
648.56 M
$ 16.76
United States
Energy
19
36.31%
150.64 M
$ 28.39
United States
Real Estate
20
35.61%
7.34 B
$ 69.11
Mexico
Energy
21
34.42%
660.49 M
$ 58.05
United States
Energy
22
32.73%
255.02 M
$ 6.18
United States
Energy
23
32.68%
2.79 B
$ 13.12
Argentina
Financial Services
24
32.23%
404.59 M
$ 17.18
United States
Energy
25
31.92%
40.96 B
$ 57.79
United States
Communication Services
26
31.87%
12.69 B
$ 41.13
United States
Energy
27
31%
14.28 B
$ 9.15
United States
Financial Services
28
30.82%
1.53 B
$ 4.4
United States
Healthcare
29
28.96%
206.05 M
$ 5.04
China
Financial Services
30
28.39%
6.09 B
$ 3.8
Brazil
Consumer Defensive
31
27.62%
3.03 B
$ 10.24
Canada
Basic Materials
32
27.48%
3.10 B
$ 14.28
United States
Industrials
33
27.3%
3.45 B
$ 34.55
United States
Energy
34
27.18%
2.34 B
$ 27.38
United States
Energy
35
27.09%
2.70 B
$ 14.68
United States
Consumer Cyclical
36
26.33%
1.58 B
$ 29.17
Bermuda
Energy
37
25.82%
45.29 B
$ 2.9
Brazil
Consumer Defensive
38
25.09%
10.27 B
$ 43.36
United States
Energy
39
25%
15.50 B
$ 38.11
Argentina
Energy
40
24.94%
47.63 B
$ 11.94
United States
Consumer Cyclical
41
24.44%
5.25 B
$ 36.79
United States
Energy
42
24.36%
5.05 B
$ 31.14
United States
Energy
43
24.02%
221.95 M
$ 16.51
United States
Consumer Cyclical
44
23.98%
4.34 B
$ 66.82
Argentina
Financial Services
45
23.69%
5.69 B
$ 24.98
United States
Healthcare
46
23.57%
41.54 B
$ 46.41
South Africa
Basic Materials
47
23.57%
2.62 B
$ 29.83
South Africa
Basic Materials
48
23.46%
5.54 B
$ 94.45
United States
Consumer Cyclical
49
23.29%
1.24 B
$ 94.61
Canada
Energy
50
22.65%
4.94 B
$ 11.48
Argentina
Communication Services
51
22.63%
2.87 B
$ 27.43
United States
Energy
52
22.07%
621.24 M
$ 16.87
United States
Energy
53
21.82%
1.41 B
$ 15.19
United States
Consumer Cyclical
54
21.61%
293.36 M
$ 3.19
United States
Communication Services
55
21.59%
9.06 B
$ 580.69
United States
Consumer Cyclical
56
21.51%
695.25 M
$ 17.72
United States
Financial Services
57
21.5%
349.68 M
$ 17.21
United States
Industrials
58
21.45%
885.10 M
$ 20.9
United States
Financial Services
59
21.33%
16.53 B
$ 19.5
United States
Energy
60
21.1%
422.53 M
$ 5.47
United States
Healthcare
61
20.92%
2.20 B
$ 26.13
United States
Financial Services
62
20.89%
1.35 B
$ 46.31
United States
Technology
63
20.82%
1.68 B
$ 19.62
United States
Healthcare
64
20.78%
2.37 B
$ 13.96
United States
Energy
65
20.77%
5.67 B
$ 63.95
United States
Energy
66
20.71%
3.30 B
$ 27.41
Israel
Industrials
67
20.47%
3.15 B
$ 4.1
Canada
Energy
68
20.46%
121.35 M
$ 7.97
China
Financial Services
69
20.46%
6.39 B
$ 26.81
United States
Energy
70
20.4%
3.15 B
$ 29.62
United States
Consumer Cyclical
71
20.4%
125.73 B
$ 19.51
Brazil
Energy
72
20.25%
19.00 B
$ 381.46
United States
Industrials
73
20.2%
1.47 B
$ 2.41
China
Technology
74
20.14%
412.68 M
$ 1.17
United States
Communication Services
75
20.02%
10.74 B
$ 22.26
South Korea
Communication Services
76
19.71%
431.13 M
$ 3.11
United States
Healthcare
77
19.65%
37.09 B
$ 162.08
United States
Basic Materials
78
19.3%
305.66 M
$ 31.47
United States
Financial Services
79
19.13%
13.51 B
$ 21.04
United States
Basic Materials
80
19.07%
1.49 B
$ 18.29
United States
Industrials
81
18.92%
615.11 M
$ 14.74
United States
Basic Materials
82
18.81%
7.19 B
$ 2.27
Brazil
Utilities
83
18.4%
618.16 M
$ 38.77
United States
Industrials
84
17.91%
17.18 B
$ 34.94
United States
Healthcare
85
17.79%
1.40 B
$ 9.48
United States
Energy
86
17.79%
9.20 B
$ 36.24
Peru
Basic Materials
87
17.44%
11.68 B
$ 161.99
United States
Technology
88
17.31%
1.03 B
$ 3.3
United States
Technology
89
17.08%
7.16 B
$ 57.62
United States
Energy
90
17%
390.54 M
$ 14.17
United States
Technology
91
16.96%
1.97 B
$ 3.33
Canada
Technology
92
16.67%
2.12 B
$ 9
United States
Consumer Cyclical
93
16.54%
959.56 M
$ 20.54
United States
Consumer Defensive
94
16.54%
2.79 B
$ 26.77
Canada
Basic Materials
95
16.52%
12.70 B
$ 261.08
United States
Industrials
96
16.24%
1.74 B
$ 10.26
United States
Technology
97
16.08%
271.91 M
$ 3.29
United States
Industrials
98
16.03%
322.84 M
$ 17.66
United States
Consumer Defensive
99
16.03%
294.83 M
$ 3.48
United States
Consumer Cyclical
100
15.97%
1.39 B
$ 12.18
United States
Basic Materials
For the most accurate results, consider cross-referencing our data with other sources.

Frequently Asked Questions

Q What is the best stock of May 2021?
A

AMC (AMC Entertainment Holdings, Inc.) was the best performing stock in May 2021 with a gain of 169%. Top performers this month include AMC, JILL, BBW.

Q What stocks gained the most in May 2021?
A

The biggest gainers in May 2021 were: AMC (+169%), JILL (+110%), BBW (+86%), TGLS (+81%), BTU (+58%). These monthly rankings show which stocks had the strongest short-term momentum.

Q Which sectors performed best in May 2021?
A

The top performing sectors in May 2021 included Communication Services, Consumer Cyclical, Basic Materials, based on the stocks with highest monthly gains. AMC led the Communication Services sector.

Q How is monthly stock performance calculated?
A

Monthly stock performance is calculated by comparing the closing price on the last trading day of the month to the opening price on the first trading day. Split-adjusted prices ensure accuracy.

Understanding Monthly Stock Performance

Monthly performance rankings reveal short-term momentum patterns and help identify stocks experiencing rapid price movements:

  • Momentum Trading: Stocks showing strong monthly performance often continue their trend into subsequent months, making this data valuable for momentum-based strategies.
  • Sector Rotation: Monthly rankings can reveal which sectors are gaining favor with investors, signaling potential rotation opportunities.
  • Event-Driven Moves: Earnings releases, product launches, and regulatory approvals often create significant monthly price movements.

Using Monthly Data Effectively

  • Combine Timeframes: Compare monthly gainers with 52-week and YTD performance to identify stocks with both short and long-term momentum.
  • Research the Catalyst: Investigate why top monthly performers moved significantly - understanding the cause helps assess sustainability.
  • Watch for Reversals: Extreme monthly gains sometimes precede corrections, so consider risk management when chasing recent performers.