Weekly Theme Wrap (Aug 31 – Sep 4)
5 trading days · top 10 themes — most persistent is Hair Loss Treatment at 2 days (weekly avg. +9.5%). Best single day this week: Sep 1, +15.2%.
Average change over the period
Hair Loss Treatment led Korean market themes in the week from Aug 31 to Sep 4, with an average change of 9.47%. Its best day was Sep 1, when it rose 15.24%, led by JW Shinyak.
Inter-Korean Economic Cooperation followed with an average change of 9.15%, led by In the F and Good People. Battery averaged 8.45% and posted an 11.08% gain on Aug 31.
Oil Refining, Lubricants and LPG (Liquefied Petroleum Gas) all had their best day on Sep 4, and S-Oil and SK Innovation led all three. Property & Casualty Insurance averaged 4.38%.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| Hair Loss Treatment | 2d | +9.5% | 2026-09-01 (+15.2%) | running | JW Shinyak |
| Inter-Korean Economic Cooperation | 2d | +9.2% | 2026-09-02 (+9.5%) | running | In the F, Good People |
| Battery | 2d | +8.4% | 2026-08-31 (+11.1%) | recurred | TCC Steel, Duksan Techopia |
| Oil Refining | 2d | +4.9% | 2026-09-04 (+5.4%) | recurred | S-Oil, SK Innovation |
| Property & Casualty Insurance | 2d | +4.4% | 2026-09-03 (+4.9%) | recurred | DB Insurance, Heungkuk Fire & Marine Insurance |
| Railways | 2d | +4.1% | 2026-09-02 (+4.2%) | running | Daea Ti, PULOON Robotics |
| Energy Storage (ESS) | 2d | +4.0% | 2026-08-31 (+4.8%) | recurred | Gfi, G2Power |
| Life Insurance | 2d | +3.3% | 2026-09-03 (+4.0%) | recurred | MIRAE ASSET Life Insurance, Hanwha Life Insurance |
| Lubricants | 2d | +2.8% | 2026-09-04 (+2.9%) | recurred | S-Oil, SK Innovation |
| LPG (Liquefied Petroleum Gas) | 2d | +2.7% | 2026-09-04 (+3.1%) | recurred | S-Oil, SK Innovation |
Related News by Theme
- Hair Loss Treatment (2026-09-01) [특징주]JW신약, 탈모 건보 기대 재점화에 상한가 직행…대표 수혜주 부각 — 남도일보 (Korean)
- Inter-Korean Economic Cooperation (2026-09-02) [서울데이터랩]코스닥 거래상위 종목 장중 혼조…좋은사람들·동양파일·서산 상한가 — 서울신문 (Korean)
- Battery (2026-08-31) [특징주] 리튬 가격 반등·공급 불확실성 부각…2차전지株 동반 ‘강세’ — 뉴스핌 (Korean)
- Oil Refining (2026-09-04) 유가 상승에 남몰래 웃는다…S-Oil 10%, GS 5% 정유주 강세 [줍줍 리포트] — 서울경제 (Korean)
What to Watch Next Week
Every theme on the list posted 2 strong days this week. Hair Loss Treatment, Inter-Korean Economic Cooperation and Railways had consecutive strong days, while the others returned after a break.
The coming sessions will show whether the Sep 4 strength in Oil Refining, which gained 5.43% on its best day, carries forward. S-Oil and SK Innovation led three themes at once.
Theme heatmap
| 08-31 | 09-01 | 09-02 | 09-03 | 09-04 | |
|---|---|---|---|---|---|
| Hair Loss Treatment | +3.7 | +15.2 | |||
| Inter-Korean Economic Cooperation | +8.8 | +9.5 | |||
| Battery | +11.1 | +5.8 | |||
| Oil Refining | +4.4 | +5.4 | |||
| Property & Casualty Insurance | +3.9 | +4.9 | |||
| Railways | +4.0 | +4.2 | |||
| Energy Storage (ESS) | +4.8 | +3.3 | |||
| Life Insurance | +2.7 | +4.0 | |||
| Lubricants | +2.6 | +2.9 | |||
| LPG (Liquefied Petroleum Gas) | +2.2 | +3.1 |