Sep 8: 8 Strong Themes — Medical Devices, Construction (Small & Mid Cap)
8 strong themes — 2 running · 6 recurred. Top: Medical Devices +10.2%.
Strong themes8
Top change+10.2%
LeaderL&K Biomed
Average change by strong theme
Average change of member stocks, by theme · descending
Theme leaders · recent trend
The line is the trend; the end-point colour is the last trading day's direction. Stocks without enough price history show as -
| Theme | Leader | Change | Trend |
|---|---|---|---|
| Medical Devices | L&K Biomed | +17.60% | |
| Construction (Small & Mid Cap) | KD | +30.00% | |
| Semiconductor Equipment | UniTest | +11.04% | |
| Solar | UniTest | +11.04% | |
| Pharma | Kolon Life Science | +14.01% | |
| Semiconductor Materials & Components | ENF Technology | +5.83% | |
| Aesthetic Devices | Won Tech | +10.93% | |
| Biosimilars | Aprogen | +6.13% |
Eight themes closed higher on 2025-09-08, with all 10 stocks up in each. Medical Devices led with an average change of 10.16%, returning after a 111-day gap.
Construction (Small & Mid Cap) followed with an average change of 10.0%, after a 61-day gap. Its leader, KD, rose 30.0% as news cited a government housing supply plan.
Chip stocks kept their momentum. Semiconductor Equipment and Semiconductor Materials & Components each extended their streak to 3 sessions, with average changes of 5.98% and 4.69%.
Today’s Strong Themes at a Glance
| # | Theme | Status | Avg. change | Up/Total | Leader |
|---|---|---|---|---|---|
| 1 | Medical Devices | recurred after 111 days | +10.2% | 10/10 | L&K Biomed |
| 2 | Construction (Small & Mid Cap) | recurred after 61 days | +10.0% | 10/10 | KD |
| 3 | Semiconductor Equipment | 3 days running | +6.0% | 10/10 | UniTest |
| 4 | Solar | recurred after 21 days | +5.6% | 10/10 | UniTest |
| 5 | Pharma | recurred after 4 days | +5.0% | 10/10 | Kolon Life Science |
| 6 | Semiconductor Materials & Components | 3 days running | +4.7% | 10/10 | ENF Technology |
| 7 | Aesthetic Devices | recurred after 63 days | +4.0% | 10/10 | Won Tech |
| 8 | Biosimilars | recurred after 4 days | +3.0% | 10/10 | Aprogen |
Theme by Theme
1. Medical Devices (recurred after 111 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Metabiomed 059210 | +21.2% | 6,400 | |
L&K Biomed 156100 | +17.6% | 9,220 | ★ |
L&C Bio 290650 | +16.1% | 48,950 | |
Won Tech 336570 | +10.9% | 11,060 | |
Hans Biomed 042520 | +8.7% | 8,250 | |
PharmaResearch 214450 | +7.1% | 675,000 | |
JPI Healthcare 0010V0 | +6.2% | 17,410 | |
Classys 214150 | +4.7% | 56,000 | |
Osteonic 226400 | +4.6% | 8,020 | |
Precision Biosensor 335810 | +4.5% | 3,120 |
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2. Construction (Small & Mid Cap) (recurred after 61 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
KD 044180 | +30.0% | 767 | ★ |
DongshinEngineering&Construction 025950 | +15.2% | 19,370 | |
Dongbu 005960 | +10.7% | 6,290 | |
KUMHO Engineering & Construction 002990 | +9.4% | 4,080 | |
Sangji Construction 042940 | +8.0% | 11,560 | |
Ilsung Construction 013360 | +7.4% | 1,522 | |
KCC Engineering & Construction 021320 | +6.8% | 5,360 | |
HL D&I Halla 014790 | +4.7% | 2,575 | |
Hanshin Construction 004960 | +4.6% | 8,140 | |
KolonGlobal 003070 | +3.2% | 9,230 |
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3. Semiconductor Equipment (3 days running)
- Episode: started 2025-09-04, day 5
| Stock | Change | Close | Leader |
|---|---|---|---|
UniTest 086390 | +11.0% | 18,600 | ★ |
Techwing 089030 | +6.5% | 40,150 | |
LEENO Industrial 058470 | +6.0% | 48,950 | |
Green Resource 402490 | +6.0% | 11,750 | |
Justem 417840 | +5.6% | 12,520 | |
Kctech 281820 | +5.2% | 33,500 | |
YC 232140 | +5.1% | 11,270 | |
Intekplus 064290 | +5.1% | 13,980 | |
Fine Semitech 036810 | +5.1% | 28,000 | |
EO Technics 039030 | +4.3% | 208,500 |
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4. Solar (recurred after 21 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
UniTest 086390 | +11.0% | 18,600 | ★ |
HD Hyundai Energy Solutions 322000 | +10.3% | 52,400 | |
Dae Myoung Energy 389260 | +7.1% | 23,400 | |
OCI Holdings Company 010060 | +6.1% | 97,600 | |
SK eternix 475150 | +5.8% | 21,900 | |
Shinsung E&g 011930 | +3.8% | 1,650 | |
Wonik IPS 240810 | +3.4% | 39,700 | |
KolonGlobal 003070 | +3.2% | 9,230 | |
Avaco 083930 | +3.0% | 13,800 | |
Advanced Nano Products 121600 | +2.6% | 54,800 |
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5. Pharma (recurred after 4 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Kolon Life Science 102940 | +14.0% | 35,000 | ★ |
Hanall Biopharma 009420 | +6.1% | 33,900 | |
Vivozon Pharmaceutical 082800 | +6.0% | 8,150 | |
Choolip & Sciences 291650 | +4.8% | 1,300 | |
Polaris AI Pharma 041910 | +4.3% | 6,560 | |
Aprogen Biologics 003060 | +3.9% | 647 | |
GC WellBeing 234690 | +3.2% | 9,790 | |
Samil Pharmaceutical 000520 | +2.9% | 11,570 | |
Dong-a ST 170900 | +2.7% | 45,800 | |
PharmGen Science 004720 | +2.6% | 4,510 |
6. Semiconductor Materials & Components (3 days running)
- Episode: started 2025-09-04, day 5
| Stock | Change | Close | Leader |
|---|---|---|---|
ENF Technology 102710 | +5.8% | 39,000 | ★ |
LTC 170920 | +5.6% | 12,980 | |
Tiger Elec 219130 | +5.6% | 18,410 | |
Kctech 281820 | +5.2% | 33,500 | |
Fine Semitech 036810 | +5.1% | 28,000 | |
Duksanhimetal 077360 | +4.6% | 4,665 | |
ISC 095340 | +4.3% | 67,400 | |
OKins Electronics 080580 | +4.0% | 6,540 | |
Synopex 025320 | +3.5% | 6,820 | |
BCnC 146320 | +3.3% | 11,930 |
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7. Aesthetic Devices (recurred after 63 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Won Tech 336570 | +10.9% | 11,060 | ★ |
PharmaResearch 214450 | +7.1% | 675,000 | |
Huons Global 084110 | +5.5% | 47,300 | |
Classys 214150 | +4.7% | 56,000 | |
Apr 278470 | +3.5% | 223,000 | |
Yuhan 000100 | +2.3% | 121,700 | |
DongBang Medical 240550 | +2.2% | 10,990 | |
Humedix 200670 | +1.9% | 63,600 | |
Asterasys 450950 | +1.5% | 11,200 | |
Hugel 145020 | +0.9% | 335,000 |
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8. Biosimilars (recurred after 4 days)
- Episode: started 2025-09-08, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Aprogen 007460 | +6.1% | 745 | ★ |
Hanall Biopharma 009420 | +6.1% | 33,900 | |
Aprogen Biologics 003060 | +3.9% | 647 | |
Dong-a ST 170900 | +2.7% | 45,800 | |
Pangen Biotech 222110 | +2.3% | 6,160 | |
GC Biopharma 006280 | +2.1% | 133,800 | |
Binex 053030 | +2.1% | 18,000 | |
Celltrion Pharm 068760 | +2.1% | 53,500 | |
ISU Abxis 086890 | +1.9% | 5,510 | |
SunBio 067370 | +0.9% | 6,700 |
Closing Thoughts
So far, the Medical Devices and construction rallies have each lasted just 1 day. Whether they continue into a second session is the next thing to watch.
For chips, the question is whether the streak reaches a fourth session. News also reported 12 straight days of foreign net buying in UniTest.