Aug 21: 8 Strong Themes — Nuclear, Auto Parts
8 strong themes — 8 recurred. Top: Nuclear +9.7%.
Strong themes8
Top change+9.7%
LeaderBosung Power Technology
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 |
|---|---|---|---|
| Nuclear | Bosung Power Technology | +21.31% | |
| Auto Parts | THN | +14.00% | |
| Battery | Kangwon Energy | +16.68% | |
| EV | Kangwon Energy | +16.68% | |
| Semiconductor Equipment | Green Resource | +25.90% | |
| Shipbuilding | Daehan Shipbuilding | +10.79% | |
| Shipbuilding Equipment | KS Industry | +7.24% | |
| Defense & War | Woori Technology, Incorporation | +3.27% |
Every strong theme on Aug 21 finished with all of its stocks higher. Nuclear topped the board with an average change of 9.73%, as all 10 of its names rose.
Bosung Power Technology led nuclear with a 21.31% jump on volume of 57820112 shares. KEPCO Engineering & Construction Company added 15.29%.
The day’s biggest single gain was Green Resource, up 25.9% in Semiconductor Equipment. Kangwon Energy led both Battery and EV at 16.68%.
Today’s Strong Themes at a Glance
| # | Theme | Status | Avg. change | Up/Total | Leader |
|---|---|---|---|---|---|
| 1 | Nuclear | recurred after 10 days | +9.7% | 10/10 | Bosung Power Technology |
| 2 | Auto Parts | recurred after 2 days | +6.5% | 9/9 | THN |
| 3 | Battery | recurred after 10 days | +5.9% | 10/10 | Kangwon Energy |
| 4 | EV | recurred after 2 days | +5.1% | 10/10 | Kangwon Energy |
| 5 | Semiconductor Equipment | recurred after 8 days | +4.7% | 10/10 | Green Resource |
| 6 | Shipbuilding | recurred after 3 days | +4.6% | 7/7 | Daehan Shipbuilding |
| 7 | Shipbuilding Equipment | recurred after 3 days | +4.4% | 10/10 | KS Industry |
| 8 | Defense & War | recurred after 23 days | +3.6% | 9/9 | Woori Technology, Incorporation |
Theme by Theme
1. Nuclear (recurred after 10 days)
- Episode: started 2025-08-21, day 5
| Stock | Change | Close | Leader |
|---|---|---|---|
Bosung Power Technology 006910 | +21.3% | 4,070 | ★ |
KEPCO Engineering & Construction Company 052690 | +15.3% | 100,300 | |
Daewoo Engineering & Construction 047040 | +13.1% | 4,155 | |
Bhi 083650 | +7.7% | 46,850 | |
KEPCO Plant Service & Engineering 051600 | +7.7% | 52,500 | |
Doosan Enerbility 034020 | +7.1% | 61,500 | |
G2Power 388050 | +6.5% | 8,780 | |
Woojin 105840 | +6.5% | 10,780 | |
Enertork 019990 | +6.0% | 7,740 | |
Hanshin Machinery 011700 | +6.0% | 3,545 |
2. Auto Parts (recurred after 2 days)
- Episode: started 2025-08-21, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
THN 019180 | +14.0% | 4,600 | ★ |
SJG Sejong 033530 | +10.5% | 5,880 | |
Infac 023810 | +6.8% | 6,780 | |
Ewon Comfortech 088290 | +5.2% | 1,124 | |
DN Automotive 007340 | +4.6% | 24,850 | |
Hanon Systems 018880 | +4.5% | 3,795 | |
Inhwa Precision 101930 | +4.3% | 44,800 | |
Dae-il 092200 | +4.2% | 4,295 | |
Ilji Technology 019540 | +4.1% | 4,220 |
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3. Battery (recurred after 10 days)
- Episode: started 2025-08-21, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Kangwon Energy 114190 | +16.7% | 12,870 | ★ |
Korea Petro Chemical Ind 006650 | +7.1% | 104,000 | |
DSK 109740 | +6.0% | 7,800 | |
Isu Specialty Chemical 457190 | +4.9% | 48,100 | |
SungEel HiTech 365340 | +4.6% | 40,150 | |
Hana Technology 299030 | +4.5% | 25,450 | |
Samjin LND 054090 | +4.4% | 861 | |
Zaigle 234920 | +4.3% | 5,520 | |
LG Chem 051910 | +3.4% | 293,000 | |
Pemtron 168360 | +3.3% | 10,320 |
4. EV (recurred after 2 days)
- Episode: started 2025-08-21, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Kangwon Energy 114190 | +16.7% | 12,870 | ★ |
Infac 023810 | +6.8% | 6,780 | |
Hanon Systems 018880 | +4.5% | 3,795 | |
Dae-il 092200 | +4.2% | 4,295 | |
A-jin Industry 013310 | +4.0% | 3,745 | |
LG Chem 051910 | +3.4% | 293,000 | |
mPlus 259630 | +3.3% | 10,950 | |
Sewon 234100 | +2.9% | 1,298 | |
Hwashin 010690 | +2.8% | 8,960 | |
SNT Motiv 064960 | +2.6% | 33,350 |
5. Semiconductor Equipment (recurred after 8 days)
- Episode: started 2025-08-21, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Green Resource 402490 | +25.9% | 9,430 | ★ |
Union Semiconductor Equipment Co.,ltd; 036200 | +3.5% | 7,600 | |
Pemtron 168360 | +3.3% | 10,320 | |
Pamtek 271830 | +3.0% | 1,873 | |
Imt 451220 | +2.4% | 10,150 | |
Hanwha Vision 489790 | +2.1% | 54,200 | |
Laserssel 412350 | +1.9% | 3,170 | |
JNB 452160 | +1.9% | 8,120 | |
JT 089790 | +1.8% | 3,950 | |
Withtech 348350 | +1.5% | 8,810 |
6. Shipbuilding (recurred after 3 days)
- Episode: started 2025-08-21, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Daehan Shipbuilding 439260 | +10.8% | 91,400 | ★ |
Hanwha Ocean 042660 | +5.9% | 111,400 | |
HD Hyundai Heavy Industries 329180 | +4.8% | 472,000 | |
HJ Shipbuilding & Construction 097230 | +4.5% | 14,080 | |
HD Hyundai Mipo 010620 | +2.5% | 188,700 | |
HD Korea Shipbuilding & Offshore Engineering 009540 | +1.7% | 355,500 | |
Samsung Heavy Industries 010140 | +1.7% | 19,250 |
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7. Shipbuilding Equipment (recurred after 3 days)
- Episode: started 2025-08-21, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Hanwha Engine 082740 | +7.6% | 42,350 | |
KS Industry 101000 | +7.2% | 1,866 | ★ |
Taewoong 044490 | +5.5% | 37,550 | |
Inhwa Precision 101930 | +4.3% | 44,800 | |
Il Seung 333430 | +3.9% | 5,320 | |
Daechang Solution 096350 | +3.4% | 425 | |
HD-Hyundai Marine Engine 071970 | +3.3% | 80,500 | |
Dongbang Ship Machinery 099410 | +3.3% | 3,485 | |
Sung Kwang Bend 014620 | +2.6% | 29,550 | |
Daeyang Electric 108380 | +2.5% | 24,200 |
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8. Defense & War (recurred after 23 days)
- Episode: started 2025-08-21, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Hanwha Ocean 042660 | +5.9% | 111,400 | |
HJ Shipbuilding & Construction 097230 | +4.5% | 14,080 | |
Hanwha Systems 272210 | +3.8% | 51,100 | |
WaveElectronics 095270 | +3.7% | 4,390 | |
Woori Technology, Incorporation 032820 | +3.3% | 3,470 | ★ |
Samhyun 437730 | +3.2% | 11,530 | |
SNT Dynamics 003570 | +3.0% | 57,400 | |
Wavice 289930 | +2.8% | 8,060 | |
SNT Motiv 064960 | +2.6% | 33,350 |
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Closing Thoughts
The Nuclear episode runs from 2025-08-21 to 2025-08-25, a span of 5 days. The theme came back after a gap of 10 days.
The Shipbuilding, Shipbuilding Equipment and Defense & War episodes run through 2025-08-22. Daehan Shipbuilding led Shipbuilding with a 10.79% rise.