United States: Monthly Stock Market Performance Insight - December 2025

Monthly Gainers
2,324
Monthly Losers
3,098
Average Return
-1.52%
Total Stocks
5,570
View Detailed Market Cap Breakdown
Market Cap Monthly Gainers Monthly Losers Average Return Total Stocks
Mega Cap 32 23 1.60% 55
Large Cap 346 382 0.45% 729
Mid Cap 487 501 0.19% 994
Small Cap 253 226 2.29% 479

Monthly Streak Leaders for December 2025

Stock Streak Streak Return
8 months โ†‘ 53.65%

Morgan Stanley shows consistent strength with a 8-month winning streak (115.54 โ†’ 177.53), delivering 53.7% gains. With 16.5B revenue generating only 4.4B profit (26.5% margin) in Qtr ending Mar 2025, the market prices in future margin expansion potential.

5 months โ†‘ 170.56%

Micron Technology gains traction with a 5-month winning streak (105.49 โ†’ 285.41), delivering 170.6% gains. The financials tell a compelling story: 11.3B revenue generating 3.2B net profit (28.3% margin) demonstrates exceptional profit margins as of Qtr ending Aug 2025.

4 months โ†“ -21.67%

Netflix takes a breather following a 4-month decline (119.70 โ†’ 93.76), down 21.7%. However, fundamentals remain robust: 11.5B revenue generating 2.5B profit (22.1% margin) as of Qtr ending Sep 2025 suggests this could be a temporary setback. Value hunters take note.

4 months โ†“ -17.42%

Advanced Micro consolidates with a 4-month decline (259.33 โ†’ 214.16), down 17.4%. Weak margins on 9.2B revenue with only 1.2B profit (13.4% margin) in Qtr ending Sep 2025 validate market skepticism. Structural improvements needed before sentiment shifts.

10 months โ†‘ 21.27%

AGNC Investment is on fire with an unstoppable a 10-month winning streak (8.84 โ†’ 10.72), delivering 21.3% gains. With 78.0M revenue generating only 50.0M profit (64.1% margin) in Qtr ending Mar 2025, the market prices in future margin expansion potential.

9 months โ†‘ 329.60%

Western Digital maintains strong momentum with a 9-month winning streak (40.10 โ†’ 172.27), delivering 329.6% gains. Backed by solid fundamentals: 2.6B revenue and 285.0M net income (Qtr ending Jun 2025) showcase strong pricing power that's catching investors' attention.

8 months โ†“ -34.99%

Godaddy struggles to find footing after a 8-month decline (190.86 โ†’ 124.08), down 35.0%. However, fundamentals remain robust: 1.2B revenue generating 219.5M profit (18.4% margin) as of Qtr ending Mar 2025 suggests this could be a temporary setback. Value hunters take note.

7 months โ†“ -20.91%

Blue Owl Capital encounters challenges with a 7-month decline (18.89 โ†’ 14.94), down 20.9%. Weak margins on 703.1M revenue with only 70.7M profit (10.1% margin) in Qtr ending Jun 2025 validate market skepticism. Structural improvements needed before sentiment shifts.

10 months โ†‘ 48.74%

Atmus Filtration dominates the market with an impressive a 10-month winning streak (34.90 โ†’ 51.91), delivering 48.7% gains. Financial performance remains steady with 416.5M revenue yielding 44.7M profit (Qtr ending Mar 2025). The 10.7% margin suggests room for growth as operations scale.

9 months โ†‘ 1,182.54%

TERN has shown exceptional momentum with 9 consecutive positive months, delivering 1,182.54% returns.

7 months โ†“ -42.35%

E.l.f. Beauty encounters challenges with a 7-month decline (131.89 โ†’ 76.04), down 42.3%. Weak margins on 343.9M revenue with only 3.0M profit (0.9% margin) in Qtr ending Sep 2025 validate market skepticism. Structural improvements needed before sentiment shifts.

7 months โ†“ -36.41%

Kemper sees continued selling pressure through a 7-month decline (63.75 โ†’ 40.54), down 36.4%. Weak margins on 1.2B revenue with only 69.8M profit (5.7% margin) in Qtr ending Jun 2025 validate market skepticism. Structural improvements needed before sentiment shifts.

10 months โ†‘ 198.33%

ORKA has shown exceptional momentum with 10 consecutive positive months, delivering 198.33% returns.

8 months โ†‘ 380.90%

nLIGHT maintains strong momentum with a 8-month winning streak (7.80 โ†’ 37.51), delivering 380.9% gains. Despite 66.7M in revenue and - 6.9M loss (-10.3% margin) as of Qtr ending Sep 2025, the market sees potential beyond current profitability. This momentum suggests confidence in future execution.

10 months โ†“ -41.14%

Prospect Capital struggles to find footing after a 10-month decline (4.40 โ†’ 2.59), down 41.1%. Weak margins on 91.9M revenue with only 78.0M profit (84.8% margin) in Qtr ending Sep 2025 validate market skepticism. Structural improvements needed before sentiment shifts.

9 months โ†“ -46.06%

Procept BioRobotics struggles to find footing after a 9-month decline (58.32 โ†’ 31.46), down 46.1%. Financial struggles compound the decline: despite 83.3M revenue, - 21.4M losses persist (-25.7% margin) as of Qtr ending Sep 2025. Until profitability improves, caution remains warranted.

United States Market Monthly Gainers & Losers: December 2025

Top United States Stock Gainers (December 2025)

Stock Month Open Month Close Monthly Change Avg Daily Volume Month Volume
$232.29 $285.41 20.69% 26.3M 579.4M
$228.67 $264.91 14.91% 8.2M 180.3M
$103.10 $116.69 12.64% 13.8M 303.5M
$588.13 $673.82 12.40% 3.5M 76.5M
$154.03 $170.49 10.64% 1.0M 22.6M
$11.51 $21.00 82.13% 322.7K 7.1M
$41.15 $69.76 65.54% 26.2M 576.8M
$71.27 $108.70 48.31% 6.0M 131.1M
$21.84 $30.24 35.91% 18.0M 396.0M
$54.35 $72.63 29.23% 15.3M 335.5M
$7.60 $17.00 119.07% 12.7M 278.9M
$12.39 $23.77 103.16% 4.2M 92.8M
$11.60 $19.72 65.71% 13.6M 298.6M
$9.51 $15.34 57.98% 11.1M 244.4M
$33.37 $50.64 50.04% 1.7M 38.5M
$5.35 $28.86 439.44% 4.9M 108.1M
$4.23 $9.02 106.41% 11.0M 241.7M
$9.83 $17.18 77.30% 3.3M 73.0M
$9.21 $16.23 70.84% 10.3M 225.6M
$7.77 $12.00 49.63% 5.0K 109.4K

Biggest United States Stock Losers (December 2025)

Stock Month Open Month Close Monthly Change Avg Daily Volume Month Volume
$394.85 $346.10 -14.11% 40.2M 883.4M
$106.51 $93.76 -12.85% 46.4M 1.0B
$913.20 $862.34 -5.61% 2.9M 63.7M
$72.60 $69.91 -4.39% 15.7M 346.2M
$306.51 $296.21 -4.01% 3.6M 78.4M
$2.53 $1.53 -40.00% 47.0K 1.0M
$82.94 $59.50 -28.97% 3.4M 74.6M
$87.65 $67.01 -24.67% 5.2M 114.3M
$75.55 $59.05 -24.23% 3.6M 78.2M
$122.29 $95.12 -23.04% 69.7K 1.5M
$78.17 $34.80 -56.17% 2.0M 43.5M
$34.31 $23.00 -33.81% 3.0M 65.1M
$14.18 $10.12 -32.98% 27.3M 600.0M
$19.28 $14.17 -29.15% 22.8M 500.8M
$59.06 $41.89 -29.07% 3.1M 69.1M
$51.03 $16.35 -73.21% 1.6M 34.3M
$73.61 $50.76 -33.10% 124.2K 2.7M
$3.23 $2.35 -32.47% 45.9M 1.0B
$14.75 $10.24 -31.23% 36.2K 796.0K
$10.87 $7.89 -30.30% 5.4M 119.8M

Most Active United States Stocks During December 2025

Stock Month Open Month Close Monthly Change Avg Daily Volume Monthly Volume
$174.76 $186.50 5.37% 165.0M 3.6B
$6.14 $5.40 -14.83% 98.2M 2.2B
$1.96 $1.97 -1.99% 93.6M 2.1B
$7.88 $9.76 23.54% 79.2M 1.7B
$425.32 $449.72 4.54% 74.4M 1.6B
$39.86 $36.90 -9.02% 74.0M 1.6B
$23.82 $28.82 20.08% 64.3M 1.4B
$7.52 $5.83 -24.29% 60.6M 1.3B
$13.77 $15.33 9.11% 54.6M 1.2B
$28.83 $26.18 -11.91% 48.5M 1.1B
$25.76 $24.90 -3.26% 47.2M 1.0B
$106.51 $93.76 -12.85% 46.4M 1.0B
$3.23 $2.35 -32.47% 45.9M 1.0B
$16.55 $19.71 16.90% 45.8M 1.0B
$278.01 $271.86 -2.51% 42.0M 924.5M
$394.85 $346.10 -14.11% 40.2M 883.4M
$7.90 $9.03 11.48% 18.8M 414.0M
$4.43 $4.55 -0.44% 16.8M 369.9M
$2.39 $1.95 -15.58% 15.0M 330.7M
$8.43 $7.14 -18.31% 13.3M 293.7M

United States Sector Performance During December 2025

Financial Services

3.08%
911 stocks
Top Performers by Market Cap:
Mega Cap: C +12.64%
Large Cap: UBS +19.97%
Small Cap: TFIN +14.69%

Technology

-1.23%
749 stocks
Top Performers by Market Cap:
Mega Cap: MU +20.69%
Large Cap: CFLT +35.91%
Small Cap: PLAB +39.68%

Industrials

-1.34%
660 stocks
Top Performers by Market Cap:
Mega Cap: RTX +4.85%
Large Cap: RKLB +65.54%
Mid Cap: PL +65.71%
Small Cap: LUNR +70.84%

Healthcare

-1.74%
1094 stocks
Top Performers by Market Cap:
Mega Cap: MRK +0.41%
Large Cap: RGC +82.13%
Small Cap: CAPR +439.44%

Basic Materials

-2.47%
249 stocks
Top Performers by Market Cap:
Mega Cap: LIN +3.92%
Large Cap: AA +27.31%
Small Cap: CNL +26.65%

Energy

-2.99%
203 stocks
Top Performers by Market Cap:
Mega Cap: XOM +3.81%
Large Cap: HAL +7.78%
Small Cap: SOC +106.41%

Real Estate

-3.45%
265 stocks
Top Performers by Market Cap:
Large Cap: WY +6.66%
Small Cap: ALEX +32.05%

Communication Services

-3.70%
237 stocks
Top Performers by Market Cap:
Mega Cap: APP +12.40%
Large Cap: SATS +48.31%
Small Cap: GTN.A +49.63%

Consumer Cyclical

-4.40%
546 stocks
Top Performers by Market Cap:
Mega Cap: TSLA +4.54%
Large Cap: PSNY +28.12%
Small Cap: RERE +16.74%

Utilities

-4.91%
94 stocks
Top Performers by Market Cap:
Large Cap: AES +1.99%
Small Cap: NWN -5.52%

Consumer Defensive

-8.81%
233 stocks
Top Performers by Market Cap:
Mega Cap: PM +1.85%
Large Cap: DG +21.26%
Small Cap: UTI +13.51%

Data is updated regularly. Monthly performance is calculated based on closing prices.