Weekly Theme Wrap (Oct 12 – Oct 16)
5 trading days · top 10 themes — most persistent is Cement & Ready-Mix Concrete at 3 days (weekly avg. +7.4%). Best single day this week: Oct 16, +15.0%.
Average change over the period
Cement & Ready-Mix Concrete was the only theme strong on 3 days in the week of Oct 12 to Oct 16. It posted an average change of 7.41%, peaking at 8.99% on Oct 12.
Beauty & Cosmetics posted the biggest single-day move, a best change of 15.03% on Oct 16. Its average change of 11.05% was the highest of any theme, led by L&C Bio and From Bio.
On Oct 12, Construction (Small & Mid Cap) rose alongside cement, with a best change of 7.37%. Leaders included KUMHO Engineering & Construction and Sangji Construction.
This Week’s Theme Ranking
| Theme | Days strong | Weekly avg. | Best day | Last status | Leader |
|---|---|---|---|---|---|
| Cement & Ready-Mix Concrete | 3d | +7.4% | 2026-10-12 (+9.0%) | recurred | SeoSan |
| Beauty & Cosmetics | 2d | +11.1% | 2026-10-16 (+15.0%) | running | L&C Bio, From Bio |
| Pipe Fittings & Valves | 2d | +7.7% | 2026-10-14 (+8.9%) | running | HS Valve |
| Construction (Small & Mid Cap) | 2d | +6.2% | 2026-10-12 (+7.4%) | recurred | KUMHO Engineering & Construction, Sangji Construction |
| Shipbuilding Equipment | 2d | +5.9% | 2026-10-16 (+6.7%) | running | Sammi Metal Products, Atum |
| Shipping | 2d | +5.1% | 2026-10-12 (+5.3%) | recurred | STX Green Logis |
| Steel (Small & Mid Cap) | 2d | +5.0% | 2026-10-16 (+6.1%) | running | Dae Dong Steel, Dongkuk Industries Company |
| Korea-Russia Gas Pipeline | 2d | +4.7% | 2026-10-16 (+5.4%) | running | HS Valve |
| LNG (Liquefied Natural Gas) | 2d | +4.0% | 2026-10-16 (+4.3%) | running | Caelum, Pan Ocean |
| Shipbuilding | 2d | +2.2% | 2026-10-16 (+3.0%) | running | HJ Shipbuilding & Construction, Samsung Heavy Industries |
Related News by Theme
- Cement & Ready-Mix Concrete (2026-10-12) 호남 반도체 기대감에 서산 30% 급등…금호전기·금호건설도 강세 — 광주매일신문 (Korean)
- Beauty & Cosmetics (2026-10-16) ‘AI 리스크’ 없는 화장품株로…달바 10%, 에이피알 9% 상승 [줍줍리포트] — 서울경제 (Korean)
- Construction (Small & Mid Cap) (2026-10-12) 호남 반도체 기대감에 서산 30% 급등…금호전기·금호건설도 강세 — 광주매일신문 (Korean)
- Shipbuilding Equipment (2026-10-16) [장중수급포착] 에이텀, 외국인/기관 동시 순매수… 주가 +13.44% — 뉴스핌 (Korean)
What to Watch Next Week
Shipbuilding Equipment, LNG (Liquefied Natural Gas) and Shipbuilding all posted their best day on Oct 16 as consecutive runs. Whether those streaks extend is the next thing to see.
HS Valve led both Pipe Fittings & Valves and Korea-Russia Gas Pipeline, with best changes of 8.92% and 5.41%. Whether the two themes keep moving together is an open question.
Theme heatmap
| 10-12 | 10-13 | 10-14 | 10-15 | 10-16 | |
|---|---|---|---|---|---|
| Cement & Ready-Mix Concrete | +9.0 | +6.6 | +6.6 | ||
| Beauty & Cosmetics | +7.1 | +15.0 | |||
| Pipe Fittings & Valves | +8.9 | +6.5 | |||
| Construction (Small & Mid Cap) | +7.4 | +4.9 | |||
| Shipbuilding Equipment | +5.1 | +6.6 | |||
| Shipping | +5.3 | +4.9 | |||
| Steel (Small & Mid Cap) | +3.8 | +6.1 | |||
| Korea-Russia Gas Pipeline | +4.1 | +5.4 | |||
| LNG (Liquefied Natural Gas) | +3.7 | +4.3 | |||
| Shipbuilding | +1.4 | +3.0 |