Weekly Theme Wrap (Aug 17 – Aug 20)
4 trading days · top 10 themes — most persistent is EV / Battery at 1 day (weekly avg. +14.3%). Best single day this week: Aug 19, +14.3%.
Average change over the period
The week of Aug 17 to Aug 20 was led by EV / Battery, which posted an average change of 14.34% on Aug 19. Younghwa Tech led the move.
COVID (Sputnik V) rose 10.4% on Aug 20, led by ISU Abxis. COVID (Moderna) / mRNA / Cold Chain Logistics was new to the list at 8.84% on Aug 17. COVID added 8.23% on Aug 19.
Every theme on the list was strong on just one day. Steel Majors / Steel (Small & Mid Cap) posted 5.9% on Aug 18, with Semiconductors at 5.25% and OLED Displays at 4.38%.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| EV / Battery | 1d | +14.3% | 2021-08-19 (+14.3%) | recurred | Younghwa Tech |
| COVID (Sputnik V) | 1d | +10.4% | 2021-08-20 (+10.4%) | recurred | ISU Abxis |
| COVID (Moderna) / mRNA / Cold Chain Logistics | 1d | +8.8% | 2021-08-17 (+8.8%) | new | SeouLinBioscience |
| COVID | 1d | +8.2% | 2021-08-19 (+8.2%) | recurred | Inbiogen |
| Steel Majors / Steel (Small & Mid Cap) | 1d | +5.9% | 2021-08-18 (+5.9%) | recurred | Hanil Iron & Steel |
| Semiconductors | 1d | +5.2% | 2021-08-18 (+5.2%) | recurred | KoMi |
| Property & Casualty Insurance | 1d | +4.7% | 2021-08-17 (+4.7%) | recurred | DB Insurance |
| Krafton | 1d | +4.6% | 2021-08-18 (+4.6%) | recurred | Aju IB Investment |
| Political Ties (Lee Jae-myung) | 1d | +4.6% | 2021-08-19 (+4.6%) | recurred | Cas |
| OLED Displays | 1d | +4.4% | 2021-08-18 (+4.4%) | recurred | Duk San Neolux |
Related News by Theme
- EV / Battery (2021-08-19) [급등주 분석] 브레인즈컴퍼니, 영화테크, 삼기… — 매일경제 (Korean)
- COVID (Sputnik V) (2021-08-20) 코로나19로 달라진 전북 생활업종…‘호프집↓ 통신판매업↑’ — KBS (Korean)
- COVID (Moderna) / mRNA / Cold Chain Logistics (2021-08-17) [급등주 분석] 서린바이오, 에이스침대, SK바이오사이언스.. — 매일경제 (Korean)
- COVID (2021-08-19) 인바이오젠 주가 7%↑…하임바이오의 최대주주라서? — 아주경제 (Korean)
What to Watch Next Week
One open question is whether EV / Battery can repeat its 14.34% session. No theme stayed strong beyond a single day this week.
Lower on the list sat Property & Casualty Insurance at 4.72%, Krafton at 4.61% and Political Ties (Lee Jae-myung) at 4.58%. Whether they recur next week remains open.
Theme heatmap
| 08-17 | 08-18 | 08-19 | 08-20 | |
|---|---|---|---|---|
| EV / Battery | +14.3 | |||
| COVID (Sputnik V) | +10.4 | |||
| COVID (Moderna) / mRNA / Cold Chain Logistics | +8.8 | |||
| COVID | +8.2 | |||
| Steel Majors / Steel (Small & Mid Cap) | +5.9 | |||
| Semiconductors | +5.2 | |||
| Property & Casualty Insurance | +4.7 | |||
| Krafton | +4.6 | |||
| Political Ties (Lee Jae-myung) | +4.6 | |||
| OLED Displays | +4.4 |