Aug 12: 8 Strong Themes — COVID (Diagnostics, Treatments, Vaccines), Semiconductor Equipment
8 strong themes — 8 recurred. Top: COVID (Diagnostics, Treatments, Vaccines) +9.7%.
Strong themes8
Top change+9.7%
LeaderKainos Medicine
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 |
|---|---|---|---|
| COVID (Diagnostics, Treatments, Vaccines) | Kainos Medicine | +29.99% | |
| Semiconductor Equipment | JNB | +24.32% | |
| Inter-Korean Economic Cooperation | Codes Combine | +23.23% | |
| AI & Robotics | Sandoll | +12.06% | |
| Securities Brokers | Bookook Securities | +7.41% | |
| ChatGPT & AI Chatbots | Flitto | +11.54% | |
| Banks | KB Financial Group | +1.24% | |
| Semiconductor Majors (Fabrication) | SK hynix | +0.75% |
On Aug 12, all eight strong themes rose, and every stock listed in them closed higher. COVID (Diagnostics, Treatments, Vaccines) led with an average change of 9.67%.
Kainos Medicine gained 29.99% to lead that group. Semiconductor Equipment came next at 7.33%, with JNB up 24.32%.
Inter-Korean Economic Cooperation averaged 6.44%, led by Codes Combine at 23.23%. Good People added 15.0% on volume of 108364957 shares.
Today’s Strong Themes at a Glance
| # | Theme | Status | Avg. change | Up/Total | Leader |
|---|---|---|---|---|---|
| 1 | COVID (Diagnostics, Treatments, Vaccines) | recurred after 11 days | +9.7% | 9/9 | Kainos Medicine |
| 2 | Semiconductor Equipment | recurred after 4 days | +7.3% | 10/10 | JNB |
| 3 | Inter-Korean Economic Cooperation | recurred after 4 days | +6.4% | 10/10 | Codes Combine |
| 4 | AI & Robotics | recurred after 8 days | +3.9% | 10/10 | Sandoll |
| 5 | Securities Brokers | recurred after 7 days | +3.0% | 10/10 | Bookook Securities |
| 6 | ChatGPT & AI Chatbots | recurred after 8 days | +2.8% | 10/10 | Flitto |
| 7 | Banks | recurred after 7 days | +1.0% | 7/7 | KB Financial Group |
| 8 | Semiconductor Majors (Fabrication) | recurred after 4 days | +0.8% | 3/3 | SK hynix |
Theme by Theme
1. COVID (Diagnostics, Treatments, Vaccines) (recurred after 11 days)
- Episode: started 2025-08-12, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Kainos Medicine 284620 | +30.0% | 1,270 | ★ |
Genomictree 228760 | +13.2% | 17,950 | |
Genolution 225220 | +11.1% | 2,405 | |
Shaperon 378800 | +11.0% | 2,870 | |
Ndfos 238090 | +7.0% | 2,095 | |
Quratis 348080 | +5.2% | 957 | |
Caregen 214370 | +4.1% | 47,850 | |
Shinpoong Pharmaceutical 019170 | +3.0% | 13,180 | |
CTC Bio 060590 | +2.4% | 6,350 |
2. Semiconductor Equipment (recurred after 4 days)
- Episode: started 2025-08-12, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
JNB 452160 | +24.3% | 9,200 | ★ |
Russell 217500 | +9.4% | 1,830 | |
Auros Technology 322310 | +7.9% | 20,550 | |
Shinsung E&g 011930 | +7.7% | 1,661 | |
Rorze Systems 071280 | +5.6% | 12,630 | |
Koses 089890 | +4.3% | 13,040 | |
EugeneTechnology 084370 | +3.8% | 48,000 | |
Tes 095610 | +3.5% | 26,500 | |
Pemtron 168360 | +3.5% | 11,180 | |
Neosem 253590 | +3.3% | 8,790 |
3. Inter-Korean Economic Cooperation (recurred after 4 days)
- Episode: started 2025-08-12, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Codes Combine 047770 | +23.2% | 2,440 | ★ |
Good People 033340 | +15.0% | 2,645 | |
J.estina 026040 | +8.5% | 4,795 | |
Ananti 025980 | +5.1% | 10,730 | |
Ilshin Stone 007110 | +3.3% | 2,490 | |
Hyundai Elevator 017800 | +2.7% | 86,700 | |
Jaeyoung Solutec 049630 | +1.8% | 892 | |
Yangjisa 030960 | +1.7% | 8,340 | |
Namkwang Engineering & Construction 001260 | +1.6% | 9,960 | |
Chobi 001550 | +1.4% | 14,370 |
4. AI & Robotics (recurred after 8 days)
- Episode: started 2025-08-12, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Sandoll 419120 | +12.1% | 7,340 | ★ |
Russell 217500 | +9.4% | 1,830 | |
Bi Matrix 413640 | +3.9% | 14,580 | |
Innodep 303530 | +3.6% | 6,580 | |
Robotis 108490 | +2.7% | 91,000 | |
Pintel 291810 | +2.3% | 2,425 | |
Alchera 347860 | +1.4% | 2,865 | |
P&S Robotics 460940 | +1.2% | 13,000 | |
Konan Technology Incorporation 402030 | +1.1% | 26,500 | |
WISEnut 096250 | +1.1% | 13,440 |
5. Securities Brokers (recurred after 7 days)
- Episode: started 2025-08-12, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Bookook Securities 001270 | +7.4% | 55,100 | ★ |
Shinyoung Securities 001720 | +4.2% | 130,500 | |
KIWOOM Securities 039490 | +3.4% | 210,500 | |
Eugene Investment & Securities 001200 | +2.4% | 3,385 | |
Daishin Securities 003540 | +2.4% | 25,500 | |
Sangsangininvestment&securities 001290 | +2.4% | 682 | |
Korea Investment Holdings 071050 | +2.3% | 139,000 | |
Yuhwa Securities 003460 | +2.2% | 2,830 | |
Mirae Asset Securities 006800 | +2.0% | 18,720 | |
NH Investment & Securities 005940 | +1.9% | 19,470 |
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6. ChatGPT & AI Chatbots (recurred after 8 days)
- Episode: started 2025-08-12, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Flitto 300080 | +11.5% | 12,570 | ★ |
Uangel 072130 | +3.8% | 5,690 | |
YoungLimWon SoftLab 060850 | +3.5% | 6,250 | |
Inswave 450520 | +2.8% | 3,985 | |
ESTsoft 047560 | +2.7% | 20,700 | |
Konan Technology Incorporation 402030 | +1.1% | 26,500 | |
WISEnut 096250 | +1.1% | 13,440 | |
Hancom 030520 | +1.0% | 25,350 | |
Datasolution 263800 | +0.4% | 5,110 | |
Saltlux 304100 | +0.3% | 32,100 |
7. Banks (recurred after 7 days)
- Episode: started 2025-08-12, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
iM Financial Group 139130 | +1.4% | 14,160 | |
KB Financial Group 105560 | +1.2% | 114,100 | ★ |
Hana Financial Group 086790 | +1.2% | 85,400 | |
Industrial Bank Of Korea 024110 | +1.1% | 19,490 | |
Shinhan Financial Group 055550 | +0.9% | 70,000 | |
Woori Financial Group 316140 | +0.6% | 25,100 | |
BNK Financial Group 138930 | +0.3% | 14,550 |
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8. Semiconductor Majors (Fabrication) (recurred after 4 days)
- Episode: started 2025-08-12, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
DB HiTek 000990 | +1.5% | 46,900 | |
SK hynix 000660 | +0.8% | 269,000 | ★ |
Samsung Electronics 005930 | +0.1% | 71,100 |
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Closing Thoughts
Each theme came back with a streak of 1 after a gap of 4 to 11 days. Banks rose a modest 0.97% on average, while Semiconductor Majors (Fabrication) added 0.8%.
A headline on Aug 12 reported a surge in DDR4 prices for Samsung Electronics and SK hynix. That theme’s episode is listed through Aug 13.