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Top Stock Gainers December 2021 - Monthly Performance Ranked

Track the top performing stocks of December 2021 ranked by monthly price gain. See which stock gainers delivered the highest gains this month, with market caps over $100 million on Nasdaq and NYSE.
2021

This ranking shows the top performing stocks and biggest stock gainers during December 2021, calculated from the first to the last trading day of the month. It shows which stocks are going up this month, with split-adjusted data used for consistent performance calculations.

Monthly performance rankings can reveal price strength, sustained momentum, sector rotation, and event-driven moves that are not visible in one-day movers lists. The table is informational only and does not recommend any stock to buy, sell, or hold.

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Data as of July 20, 2026 at 12:56 AM EDT

Rank
Symbol
Company Name
Dec Gain
Market Cap
Price
Country
Sector
4001
-38.31%
272.44 M
$ 12.99
United States
Consumer Cyclical
4002
-38.35%
1.29 B
$ 1.51
China
Healthcare
4003
-39.12%
11.75 B
$ 30.62
South Korea
Communication Services
4004
-39.21%
324.13 M
$ 7.25
United States
Technology
4005
-39.77%
201.51 M
$ 0.2703
Singapore
Technology
4006
-39.79%
7.18 B
$ 17.56
United States
Technology
4007
-39.85%
154.54 M
$ 4.19
Canada
Technology
4008
-40.06%
8.01 B
$ 22.47
United States
Industrials
4009
-41.11%
1.56 B
$ 11.5
United States
Healthcare
4010
-41.67%
3.34 B
$ 13.03
United States
Financial Services
4011
-43.29%
1.36 B
$ 2.84
United States
Technology
4012
-43.83%
267.47 M
$ 6.89
United States
Healthcare
4013
-43.85%
398.97 M
$ 7
United States
Healthcare
4014
-44.25%
869.99 M
$ 14.7
France
Healthcare
4015
-44.95%
360.30 M
$ 3.82
United States
Healthcare
4016
-45.1%
10.72 B
$ 13.81
United States
Healthcare
4017
-45.8%
101.94 M
$ 1.69
United States
Healthcare
4018
-46.7%
110.70 M
$ 1.33
United States
Communication Services
4019
-47.19%
9.00 B
$ 18.16
United States
Financial Services
4020
-47.85%
823.45 M
$ 22.19
United States
Industrials
4021
-49.22%
249.97 M
$ 2.51
Hong Kong
Technology
4022
-55.47%
847.73 M
$ 30
United States
Basic Materials
4023
-57.84%
15.94 B
$ 81.38
United States
Healthcare
4024
-65.73%
461.45 M
$ 2.83
United States
Healthcare
4025
-71.47%
211.60 M
$ 4.68
Greece
Energy
4026
-84.33%
218.75 M
$ 0.7425
United States
Healthcare
For the most accurate results, consider cross-referencing our data with other sources.