Apr 1: 8 Strong Themes — 5G, Telecom Equipment
8 strong themes — 1 running · 7 recurred. Top: 5G +28.4%.
Strong themes8
Top change+28.4%
LeaderEluon
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 |
|---|---|---|---|
| 5G | Eluon | +30.00% | |
| Telecom Equipment | OE Solutions | +28.79% | |
| Optical Communications | Mercury | +17.03% | |
| Semiconductor Equipment | Gigalane | +29.98% | |
| Defense & War | TAIHAN Fiberoptics | +29.97% | |
| Space & Aerospace (Nuri Rocket, Satellites) | HVM | +24.49% | |
| Semiconductor Materials & Components | MKElectron | +20.59% | |
| Nuclear | Daewoo Engineering & Construction | +24.95% |
On Apr 1, 5G led the session with an average change of 28.43%, and all 10 of its stocks closed higher. Eluon topped the group at 30.0%.
Telecom Equipment averaged 27.63% and Optical Communications 22.78%, with many names shared across themes. TAIHAN Fiberoptics rose 29.97% on volume of 35169325 shares.
Every theme on the list returned after a gap of 5 or 7 days, except Nuclear. It extended its run to a streak of 2, led by Daewoo Engineering & Construction at 24.95%.
Today’s Strong Themes at a Glance
| # | Theme | Status | Avg. change | Up/Total | Leader |
|---|---|---|---|---|---|
| 1 | 5G | recurred after 5 days | +28.4% | 10/10 | Eluon |
| 2 | Telecom Equipment | recurred after 5 days | +27.6% | 10/10 | OE Solutions |
| 3 | Optical Communications | recurred after 5 days | +22.8% | 10/10 | Mercury |
| 4 | Semiconductor Equipment | recurred after 7 days | +18.2% | 10/10 | Gigalane |
| 5 | Defense & War | recurred after 7 days | +18.2% | 9/9 | TAIHAN Fiberoptics |
| 6 | Space & Aerospace (Nuri Rocket, Satellites) | recurred after 7 days | +16.1% | 9/9 | HVM |
| 7 | Semiconductor Materials & Components | recurred after 7 days | +16.1% | 10/10 | MKElectron |
| 8 | Nuclear | 2 days running | +13.1% | 10/10 | Daewoo Engineering & Construction |
Theme by Theme
1. 5G (recurred after 5 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Eluon 065440 | +30.0% | 2,730 | ★ |
Inno Instrument 215790 | +30.0% | 932 | |
Gigalane 049080 | +30.0% | 1,574 | |
TAIHAN Fiberoptics 010170 | +30.0% | 9,410 | |
Korea Advanced Materials 062970 | +29.9% | 2,995 | |
Oneul E&m 192410 | +29.8% | 6,140 | |
OE Solutions 138080 | +28.8% | 42,500 | |
Lightron Fiber-optic Devices 069540 | +25.6% | 3,115 | |
RFHIC 218410 | +25.6% | 94,200 | |
Frtek 073540 | +24.6% | 3,190 |
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2. Telecom Equipment (recurred after 5 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Inno Instrument 215790 | +30.0% | 932 | |
Gigalane 049080 | +30.0% | 1,574 | |
Korea Advanced Materials 062970 | +29.9% | 2,995 | |
RN2 Technologies 148250 | +29.9% | 4,240 | |
Oneul E&m 192410 | +29.8% | 6,140 | |
OE Solutions 138080 | +28.8% | 42,500 | ★ |
Lightron Fiber-optic Devices 069540 | +25.6% | 3,115 | |
RFHIC 218410 | +25.6% | 94,200 | |
Frtek 073540 | +24.6% | 3,190 | |
HFR 230240 | +22.1% | 33,700 |
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3. Optical Communications (recurred after 5 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
TAIHAN Fiberoptics 010170 | +30.0% | 9,410 | |
Korea Advanced Materials 062970 | +29.9% | 2,995 | |
Lightron Fiber-optic Devices 069540 | +25.6% | 3,115 | |
RFHIC 218410 | +25.6% | 94,200 | |
Sungho Electronics 043260 | +25.6% | 47,400 | |
Woori-Net 115440 | +20.1% | 11,930 | |
LiComm 388790 | +19.6% | 5,900 | |
Fiberpro 368770 | +19.4% | 22,150 | |
Mercury 100590 | +17.0% | 5,600 | ★ |
TMC 217590 | +15.0% | 21,550 |
4. Semiconductor Equipment (recurred after 7 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
Gigalane 049080 | +30.0% | 1,574 | ★ |
Intekplus 064290 | +24.9% | 21,000 | |
GigaVis 420770 | +19.4% | 86,800 | |
Cymechs 160980 | +17.5% | 27,150 | |
Koses 089890 | +17.4% | 22,150 | |
Dawon Nexview 323350 | +16.5% | 11,590 | |
PSK Holdings 031980 | +16.2% | 110,600 | |
Raon Robotics 232680 | +14.0% | 15,340 | |
Apact 200470 | +13.4% | 7,360 | |
Pemtron 168360 | +13.2% | 21,250 |
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5. Defense & War (recurred after 7 days)
- Episode: started 2026-04-01, day 3
| Stock | Change | Close | Leader |
|---|---|---|---|
TAIHAN Fiberoptics 010170 | +30.0% | 9,410 | ★ |
RFHIC 218410 | +25.6% | 94,200 | |
Fiberpro 368770 | +19.4% | 22,150 | |
RF Systems 474610 | +17.4% | 11,780 | |
Sensorview 321370 | +16.4% | 3,655 | |
Korea Aerospace Industries 047810 | +14.1% | 187,900 | |
Wavice 289930 | +13.9% | 19,100 | |
WaveElectronics 095270 | +13.7% | 5,300 | |
Ace Technologies 088800 | +13.6% | 4,350 |
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6. Space & Aerospace (Nuri Rocket, Satellites) (recurred after 7 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
HVM 295310 | +24.5% | 91,500 | ★ |
Fiberpro 368770 | +19.4% | 22,150 | |
Almac 354320 | +17.1% | 55,900 | |
Sensorview 321370 | +16.4% | 3,655 | |
Korea Aerospace Industries 047810 | +14.1% | 187,900 | |
Vitzro Nextech 488900 | +14.0% | 19,130 | |
Sphere 347700 | +13.9% | 49,200 | |
Duksanhimetal 077360 | +13.1% | 11,200 | |
Hanwha Systems 272210 | +12.9% | 128,800 |
7. Semiconductor Materials & Components (recurred after 7 days)
- Episode: started 2026-04-01, day 1
| Stock | Change | Close | Leader |
|---|---|---|---|
HVM 295310 | +24.5% | 91,500 | |
MKElectron 033160 | +20.6% | 18,330 | ★ |
Nepes 033640 | +20.4% | 20,100 | |
Haesung DS 195870 | +19.1% | 55,700 | |
Semcns 252990 | +13.5% | 9,940 | |
ISC 095340 | +13.3% | 264,000 | |
Duksanhimetal 077360 | +13.1% | 11,200 | |
OKins Electronics 080580 | +13.1% | 21,450 | |
Hansol Chemical 014680 | +12.5% | 284,000 | |
Ycchem 112290 | +10.7% | 23,800 |
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8. Nuclear (2 days running)
- Episode: started 2026-03-31, day 2
| Stock | Change | Close | Leader |
|---|---|---|---|
Daewoo Engineering & Construction 047040 | +24.9% | 19,430 | ★ |
HanmiGlobal 053690 | +18.6% | 31,900 | |
Taihan Cable & Solution 001440 | +12.6% | 30,050 | |
Hyundai Engineering & Construction 000720 | +12.5% | 159,900 | |
GS Engineering & Construction 006360 | +11.8% | 28,050 | |
LS ELECTRIC 010120 | +10.6% | 794,000 | |
KEPCO Engineering & Construction Company 052690 | +10.6% | 167,300 | |
Woojin 105840 | +10.3% | 24,650 | |
Orbitech 046120 | +9.8% | 11,860 | |
Samyoung M-tek C0 054540 | +9.6% | 11,490 |
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Closing Thoughts
Nuclear is the only theme with back-to-back appearances, in an episode running from Mar 31 to Apr 1. A third session would show whether the run continues.
Defense & War has an episode end date of 2026-04-03, the longest window in the data at 3 days. Six of the remaining themes logged single-day episodes.