Apr 17: 8 Strong Themes — COVID (Diagnostics, Treatments, Vaccines), Vaccines, Diagnostics & Epidemic Control
8 strong themes — 4 running · 4 recurred. Top: COVID (Diagnostics, Treatments, Vaccines) +23.6%.
Strong themes8
Top change+23.6%
LeaderSugentech
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) | Sugentech | +30.00% | |
| Vaccines, Diagnostics & Epidemic Control | Sugentech | +30.00% | |
| COVID (Treatments & Vaccines) | Cellid | +29.98% | |
| COVID (Diagnostics) | Sugentech | +30.00% | |
| Semiconductor Equipment | Gigalane | +30.00% | |
| Defense & War | STX Engine | +29.99% | |
| Battery | Finetek | +12.35% | |
| SpaceX | Yjlink | +29.82% |
COVID-19 themes led the Apr 17 session. COVID (Diagnostics, Treatments, Vaccines) posted an average change of 23.63%, and all 10 of its stocks rose.
Vaccines, Diagnostics & Epidemic Control came back after a gap of 463 days, with an average change of 20.8%. Sugentech led both themes with a 30.0% gain.
Outside healthcare, Semiconductor Equipment extended its streak to 6 with an average change of 13.51%. Gigalane led at 30.0%, while Defense & War averaged 12.03%.
Today’s Strong Themes at a Glance
| # | Theme | Status | Avg. change | Up/Total | Leader |
|---|---|---|---|---|---|
| 1 | COVID (Diagnostics, Treatments, Vaccines) | 2 days running | +23.6% | 10/10 | Sugentech |
| 2 | Vaccines, Diagnostics & Epidemic Control | recurred after 463 days | +20.8% | 10/10 | Sugentech |
| 3 | COVID (Treatments & Vaccines) | 2 days running | +16.8% | 10/10 | Cellid |
| 4 | COVID (Diagnostics) | 2 days running | +14.3% | 10/10 | Sugentech |
| 5 | Semiconductor Equipment | 6 days running | +13.5% | 10/10 | Gigalane |
| 6 | Defense & War | recurred after 4 days | +12.0% | 10/10 | STX Engine |
| 7 | Battery | recurred after 10 days | +11.8% | 10/10 | Finetek |
| 8 | SpaceX | recurred after 3 days | +11.3% | 9/9 | Yjlink |
Theme by Theme
1. COVID (Diagnostics, Treatments, Vaccines) (2 days running)
- Episode: started 2026-04-16, day 5
| Stock | Change | Close | Leader |
|---|---|---|---|
Sugentech 253840 | +30.0% | 6,760 | ★ |
Cellid 299660 | +30.0% | 3,815 | |
GeneOne Life Science 011000 | +29.9% | 1,017 | |
Shinpoong Pharmaceutical 019170 | +26.5% | 14,090 | |
Osang Healthcare 036220 | +26.0% | 10,910 | |
EyeGene 185490 | +23.2% | 1,720 | |
Celemics 331920 | +22.9% | 15,980 | |
LabGenomics 084650 | +18.4% | 1,803 | |
Quratis 348080 | +15.7% | 959 | |
Access Bio 950130 | +13.8% | 3,785 |
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2. Vaccines, Diagnostics & Epidemic Control (recurred after 463 days)
- Episode: started 2026-04-17, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Sugentech 253840 | +30.0% | 6,760 | ★ |
GeneOne Life Science 011000 | +29.9% | 1,017 | |
Shinpoong Pharmaceutical 019170 | +26.5% | 14,090 | |
Osang Healthcare 036220 | +26.0% | 10,910 | |
EyeGene 185490 | +23.2% | 1,720 | |
LabGenomics 084650 | +18.4% | 1,803 | |
Quratis 348080 | +15.7% | 959 | |
Access Bio 950130 | +13.8% | 3,785 | |
Komipharm International 041960 | +13.2% | 10,310 | |
Bioneercorporation 064550 | +11.4% | 12,280 |
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3. COVID (Treatments & Vaccines) (2 days running)
- Episode: started 2026-04-16, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Cellid 299660 | +30.0% | 3,815 | ★ |
GeneOne Life Science 011000 | +29.9% | 1,017 | |
Shinpoong Pharmaceutical 019170 | +26.5% | 14,090 | |
EyeGene 185490 | +23.2% | 1,720 | |
Quratis 348080 | +15.7% | 959 | |
Komipharm International 041960 | +13.2% | 10,310 | |
Optipharm 153710 | +8.1% | 5,850 | |
Aribiolab 261780 | +8.0% | 3,780 | |
Genematrix 109820 | +7.1% | 2,400 | |
Shaperon 378800 | +6.0% | 1,938 |
4. COVID (Diagnostics) (2 days running)
- Episode: started 2026-04-16, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Sugentech 253840 | +30.0% | 6,760 | ★ |
Osang Healthcare 036220 | +26.0% | 10,910 | |
LabGenomics 084650 | +18.4% | 1,803 | |
Access Bio 950130 | +13.8% | 3,785 | |
Bioneercorporation 064550 | +11.4% | 12,280 | |
Psomagen 950200 | +10.2% | 3,930 | |
Seegene 096530 | +9.8% | 27,350 | |
GC Medical Science 142280 | +9.5% | 4,160 | |
Genematrix 109820 | +7.1% | 2,400 | |
iNtRON Biotechnology 048530 | +7.1% | 4,055 |
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5. Semiconductor Equipment (6 days running)
- Episode: started 2026-04-10, day 18
| Stock | Change | Close | Leader |
|---|---|---|---|
Gigalane 049080 | +30.0% | 2,600 | ★ |
Hmnex 036170 | +20.3% | 7,700 | |
Device 187870 | +16.8% | 37,200 | |
LOTVacuum 083310 | +12.5% | 15,920 | |
KohYoungTechnology 098460 | +11.5% | 33,000 | |
Koses 089890 | +10.0% | 32,000 | |
VM 089970 | +9.8% | 55,100 | |
Tse 131290 | +9.4% | 163,500 | |
Sec 081180 | +7.6% | 14,520 | |
Asflow 159010 | +7.4% | 8,300 |
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6. Defense & War (recurred after 4 days)
- Episode: started 2026-04-17, day 4
| Stock | Change | Close | Leader |
|---|---|---|---|
STX Engine 077970 | +30.0% | 44,000 | ★ |
Firstec 010820 | +14.9% | 13,480 | |
RF Systems 474610 | +13.2% | 14,950 | |
Victek 065450 | +12.6% | 6,150 | |
Fiberpro 368770 | +10.9% | 26,500 | |
Welcron 065950 | +8.2% | 1,723 | |
WaveElectronics 095270 | +8.1% | 9,070 | |
SatrecInitiative 099320 | +7.7% | 187,500 | |
Sec 081180 | +7.6% | 14,520 | |
COTS Technology 448710 | +7.2% | 22,350 |
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7. Battery (recurred after 10 days)
- Episode: started 2026-04-17, day 6
| Stock | Change | Close | Leader |
|---|---|---|---|
Foosung 093370 | +22.3% | 13,820 | |
SungEel HiTech 365340 | +15.1% | 79,500 | |
NanoTIM 417010 | +14.9% | 12,030 | |
Finetek 131760 | +12.3% | 1,210 | ★ |
W-scope Chungju Plant 393890 | +10.5% | 16,520 | |
Koses 089890 | +10.0% | 32,000 | |
L&F 066970 | +9.5% | 185,600 | |
Lotte Energy Materials 020150 | +8.3% | 52,900 | |
Isu Specialty Chemical 457190 | +8.0% | 111,500 | |
Shin Heung Energy & Electronics 243840 | +7.6% | 9,200 |
8. SpaceX (recurred after 3 days)
- Episode: started 2026-04-17, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Yjlink 209640 | +29.8% | 5,920 | ★ |
Mirae Asset Venture Investment 100790 | +19.6% | 46,300 | |
NanoTIM 417010 | +14.9% | 12,030 | |
HVM 295310 | +10.2% | 99,500 | |
Aju IB Investment 027360 | +8.8% | 11,930 | |
SeAH Besteel Holdings 001430 | +6.5% | 75,100 | |
INNOX Advanced Materials 272290 | +6.2% | 36,850 | |
Kencoa Aerospace 274090 | +5.5% | 24,000 | |
LG Energy Solution 373220 | +0.5% | 418,000 |
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Closing Thoughts
The next session will show whether the COVID-19 themes run past a streak of 2. Headlines on Apr 17 tied the rally to concerns about a spreading variant.
Battery and SpaceX also came back, with average changes of 11.85% and 11.33%. In both themes every listed stock closed higher, and Finetek and Yjlink were named as leaders.