Weekly Theme Wrap (May 17 – May 21)
4 trading days · top 10 themes — most persistent is Currency & ATM Systems (incl. CBDC) at 2 days (weekly avg. +12.4%). Best single day this week: May 21, +21.0%.
Average change over the period
Currency & ATM Systems (incl. CBDC) posted the week’s biggest single-day move, 20.98% on May 21. It stayed strong for 2 days with an average change of 12.36%.
Nuclear also held strong for 2 days, with an average change of 10.75% and a peak of 13.53% on May 20. Bhi and Woori Technology, Incorporation led the theme.
Political Ties (Yoon Suk-yeol) returned for 2 days, averaging 7.63% with Daeduck and Dcksung in front. Among new themes, mRNA posted the week’s highest average change, 16.95%.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| Currency & ATM Systems (incl. CBDC) | 2d | +12.4% | 2021-05-21 (+21.0%) | running | Korea Computer & Systems, PULOON Robotics |
| Nuclear | 2d | +10.8% | 2021-05-20 (+13.5%) | running | Bhi, Woori Technology, Incorporation |
| Political Ties (Yoon Suk-yeol) | 2d | +7.6% | 2021-05-20 (+11.5%) | recurred | Daeduck, Dcksung |
| mRNA | 1d | +16.9% | 2021-05-17 (+16.9%) | new | Reyon Pharmaceutical |
| Natural Gas Utilities / Shale Gas | 1d | +11.4% | 2021-05-18 (+11.4%) | new | Seoul City Gas |
| Metaverse & VR | 1d | +11.0% | 2021-05-18 (+11.0%) | recurred | Sunic System |
| Steel Majors / Steel (Small & Mid Cap) | 1d | +9.2% | 2021-05-18 (+9.2%) | recurred | Dae Dong Steel |
| Construction / Cement & Ready-Mix Concrete / Remodeling & Interiors / Paint | 1d | +7.0% | 2021-05-18 (+7.0%) | recurred | Sungshin Cement |
| Baby & Birth Rate | 1d | +6.2% | 2021-05-17 (+6.2%) | recurred | Samsung Publishing |
| North Korea | 1d | +5.9% | 2021-05-21 (+5.9%) | recurred | Shinwon |
Related News by Theme
- Currency & ATM Systems (incl. CBDC) (2021-05-21) 美도 가상화폐 규제…‘김치 프리미엄’ 괜찮을까? — KBS (Korean)
- Nuclear (2021-05-20) 비에이치아이 주가 22%↑…‘세아STX엔테크에 165억 화력발전소 환경설비 공급’ — 아주경제 (Korean)
- Political Ties (Yoon Suk-yeol) (2021-05-20) [특징주]尹 전 총장과 사외이사 접촉 소식에, 대덕 장중 상한가 — 서울경제 (Korean)
- mRNA (2021-05-17) 아이진 주가 7%↑…“방대본, 오늘 회의 통해 mRNA 기술 정부 지원 방향 결정” — 아주경제 (Korean)
- Natural Gas Utilities / Shale Gas (2021-05-18) [급등왕의 ‘급등맥 필살기’] 서울가스, 천연가스 가격 급등에 上! 상승 여력 남았나? — 머니투데이 (Korean)
What to Watch Next Week
Both Currency & ATM Systems (incl. CBDC) and Nuclear had runs of strong days in a row this week. The open question is whether those runs continue after May 21.
New entries mRNA and Natural Gas Utilities / Shale Gas each showed up for 1 day. The gas theme peaked at 11.42% on May 18. Whether either one returns is the other thing to track.
Theme heatmap
| 05-17 | 05-18 | 05-20 | 05-21 | |
|---|---|---|---|---|
| Currency & ATM Systems (incl. CBDC) | +3.7 | +21.0 | ||
| Nuclear | +13.5 | +8.0 | ||
| Political Ties (Yoon Suk-yeol) | +3.8 | +11.5 | ||
| mRNA | +16.9 | |||
| Natural Gas Utilities / Shale Gas | +11.4 | |||
| Metaverse & VR | +11.0 | |||
| Steel Majors / Steel (Small & Mid Cap) | +9.2 | |||
| Construction / Cement & Ready-Mix Concrete / Remodeling & Interiors / Paint | +7.0 | |||
| Baby & Birth Rate | +6.2 | |||
| North Korea | +5.9 |