Dec 2025 Theme Wrap — The Monthly Theme Map
21 trading days · 84 recurring themes · top 15 themes — most persistent is Semiconductor Equipment at 11 days (monthly avg. +7.2%). Best single day this month: Dec 22, +21.6%.
Average change over the period
December’s theme board was led by Semiconductor Equipment, strong on 11 days with an average change of 7.25%. Semiconductor Majors (Fabrication) followed with 10 strong days.
Robotics (Industrial & Collaborative) posted an average change of 11.76% over 9 strong days. Its best day, Dec 29, brought a best change of 20.5%.
The biggest single-day move came from Space & Aerospace (Nuri Rocket, Satellites) at 21.62% on Dec 22. Construction (Small & Mid Cap) had the highest average change, at 11.98%.
84 themes recurred this month.
Monthly Theme Ranking
| Theme | Days strong | Monthly avg. | Best day | Leader |
|---|---|---|---|---|
| Semiconductor Equipment | 11d | +7.2% | 2025-12-29 (+11.7%) | Green Optics, Raon Robotics, Asflow |
| Semiconductor Majors (Fabrication) | 10d | +2.6% | 2025-12-22 (+4.9%) | DB HiTek, SK hynix, Samsung Electronics |
| Robotics (Industrial & Collaborative) | 9d | +11.8% | 2025-12-29 (+20.5%) | Keyang Electric Machinery, Smec, CP System |
| HBM (High Bandwidth Memory) | 9d | +4.4% | 2025-12-22 (+6.8%) | KohYoungTechnology, Micro2nano, Imt |
| Space & Aerospace (Nuri Rocket, Satellites) | 8d | +10.2% | 2025-12-22 (+21.6%) | Nara Space Technology, Vitzro Nextech, Sphere |
| Autonomous Driving | 7d | +9.5% | 2025-12-26 (+13.9%) | Nextchip, Dasan DMC, Sambo Motors |
| AI & Robotics | 7d | +7.5% | 2025-12-29 (+11.7%) | KAON Group, KohYoungTechnology, Mobiis |
| Semiconductor Materials & Components | 7d | +6.2% | 2025-12-26 (+9.0%) | HVM, LK Chem, ENF Technology |
| Pharma | 6d | +6.8% | 2025-12-01 (+8.7%) | JW Shinyak, Samsung Pharmaceutical, It-chem |
| Construction (Small & Mid Cap) | 5d | +12.0% | 2025-12-05 (+16.0%) | Sangji Construction, ShinwonConstruction, Hanshin Construction |
| SpaceX | 5d | +9.9% | 2025-12-22 (+14.9%) | Mirae Asset Venture Investment, Aju IB Investment, Kencoa Aerospace |
| Nuclear | 5d | +7.5% | 2025-12-05 (+10.3%) | Bhi, Samyoung M-tek C0, Woojin |
| GLP-1 & Obesity Drugs | 5d | +5.5% | 2025-12-29 (+6.8%) | Dx & Vx, HLB Pep, Inventage Lab |
| Smart Factory | 5d | +5.0% | 2025-12-22 (+8.4%) | KohYoungTechnology, Smec, Hyundai Movex |
| Power Equipment | 5d | +4.7% | 2025-12-29 (+6.9%) | Sanil Electric, SuNAM, Iljin Electric |
What to Watch Next Month
Several themes, including HBM (High Bandwidth Memory), were still on consecutive runs as the month closed. The next question is whether those streaks continue into the new year.
The month logged 84 recurrent themes, including SpaceX and Nuclear. Whether they come back in the coming weeks is the next thing the data will show.
Theme heatmap
| 12-01 | 12-02 | 12-03 | 12-04 | 12-05 | 12-08 | 12-09 | 12-10 | 12-11 | 12-12 | 12-15 | 12-16 | 12-17 | 12-18 | 12-19 | 12-22 | 12-23 | 12-24 | 12-26 | 12-29 | 12-30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semiconductor Equipment | +6.7 | +5.6 | +7.3 | +4.9 | +7.2 | +3.3 | +7.6 | +7.0 | +9.0 | +11.7 | +9.4 | ||||||||||
| Semiconductor Majors (Fabrication) | +1.1 | +2.4 | +1.4 | +3.0 | +1.4 | +3.1 | +4.9 | +3.6 | +4.5 | +0.9 | |||||||||||
| Robotics (Industrial & Collaborative) | +9.0 | +8.3 | +10.8 | +13.2 | +9.2 | +14.7 | +10.7 | +9.3 | +20.5 | ||||||||||||
| HBM (High Bandwidth Memory) | +4.2 | +2.4 | +4.6 | +4.5 | +2.5 | +6.8 | +6.3 | +4.3 | +4.0 | ||||||||||||
| Space & Aerospace (Nuri Rocket, Satellites) | +6.5 | +4.8 | +14.5 | +7.1 | +9.4 | +9.0 | +21.6 | +8.4 | |||||||||||||
| Autonomous Driving | +11.8 | +6.2 | +3.6 | +7.4 | +12.3 | +13.9 | +11.2 | ||||||||||||||
| AI & Robotics | +5.4 | +9.8 | +7.8 | +5.6 | +9.1 | +2.7 | +11.7 | ||||||||||||||
| Semiconductor Materials & Components | +3.4 | +7.6 | +6.2 | +7.8 | +3.3 | +9.0 | +5.9 | ||||||||||||||
| Pharma | +8.7 | +5.9 | +8.1 | +6.1 | +6.8 | +5.2 | |||||||||||||||
| Construction (Small & Mid Cap) | +14.3 | +11.7 | +16.0 | +11.4 | +6.6 | ||||||||||||||||
| SpaceX | +5.6 | +12.8 | +9.6 | +14.9 | +6.4 | ||||||||||||||||
| Nuclear | +4.9 | +6.5 | +10.3 | +9.4 | +6.5 | ||||||||||||||||
| GLP-1 & Obesity Drugs | +4.6 | +6.4 | +6.0 | +3.9 | +6.8 | ||||||||||||||||
| Smart Factory | +4.4 | +6.0 | +3.3 | +8.4 | +2.9 | ||||||||||||||||
| Power Equipment | +5.0 | +5.6 | +2.6 | +3.5 | +6.9 |