Apr 25: 8 Strong Themes — Battery (Sodium-Ion), Semiconductor Equipment April 25, 2025
· #Battery (Sodium-Ion) #Semiconductor Equipment #Semiconductor Materials & Components #Telecom Equipment #Shipbuilding #Nuclear #Shipbuilding Equipment #Autonomous Driving
8 strong themes — 3 running · 4 recurred · 1 new. Top: Battery (Sodium-Ion) +12.0%.
Strong themes 8
Top change +12.0%
Leader Zaigle
Average change by strong theme Average change of member stocks, by theme · descending
Battery (Sodium-Ion)
+12.0%
Semiconductor Equipment
+8.8%
Semiconductor Materials & Components
+8.3%
Shipbuilding Equipment
+4.8%
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 Battery (Sodium-Ion) Zaigle +30.00% Semiconductor Equipment Yest +24.48% Semiconductor Materials & Components Micro2nano +29.91% Telecom Equipment Fino +20.68% Shipbuilding Hanwha Ocean +11.12% Nuclear Korea Electronic Power Industrial Development +7.60% Shipbuilding Equipment Samyoung M-tek C0 +10.67% Autonomous Driving Qualitas Semiconductor +10.64%
On Apr 25, Battery (Sodium-Ion) led the strong themes as a new entry, with an average change of 12.0%. All 9 stocks in the theme closed higher.
Zaigle led that group with a 30.0% gain. Naintech rose 10.54%, with news pointing to its stake in a sodium-ion battery company.
Chip names returned after a 2-day gap: Semiconductor Equipment averaged 8.76% and Semiconductor Materials & Components 8.31%. Every stock in both themes rose.
Today’s Strong Themes at a Glance Theme by Theme Episode: started 2025-04-25, day 4 Stock Change Close Leader Zaigle 234920 +30.0% 4,225 ★ Aekyung Chemical 161000 +30.0% 10,360 Megatouch 446540 +20.3% 4,415 W-scope Chungju Plant 393890 +11.9% 8,580 Naintech 267320 +10.5% 3,670 Ecopro BM 247540 +2.7% 103,500 Ecopro 086520 +1.8% 51,000 LG Energy Solution 373220 +0.6% 343,500 Samsung SDI 006400 +0.2% 185,100
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Episode: started 2025-04-25, day 1 Stock Change Close Leader Yest 122640 +24.5% 16,730 ★ LEENO Industrial 058470 +11.3% 38,400 Withtech 348350 +8.4% 8,610 VM 089970 +7.8% 12,720 Neosem 253590 +7.6% 10,370 Hanwha Vision 489790 +6.2% 56,200 Auros Technology 322310 +6.2% 21,450 UniTest 086390 +5.5% 10,400 Wonik Holdings 030530 +5.3% 4,530 JNB 452160 +4.7% 5,200
Episode: started 2025-04-25, day 1 Stock Change Close Leader Micro2nano 424980 +29.9% 8,730 ★ Megatouch 446540 +20.3% 4,415 Doosan 000150 +5.8% 308,500 Tiger Elec 219130 +5.7% 14,600 3S Korea 060310 +4.6% 2,490 OKins Electronics 080580 +4.6% 5,220 Temc CNS 241790 +3.5% 5,650 Ycchem 112290 +3.0% 22,500 ISC 095340 +2.9% 52,900 Foosung 093370 +2.8% 4,480
Episode: started 2025-04-24, day 5 Stock Change Close Leader Fino 033790 +20.7% 6,360 ★ Wooriro 046970 +10.3% 1,558 Davolink 340360 +7.5% 1,984 Telcon RF Pharmaceutical 200230 +6.2% 4,420 HanWool Materials Science 091440 +2.9% 3,170 CS 065770 +2.4% 1,728 OE Solutions 138080 +2.3% 8,950 RF Materials 327260 +2.1% 5,450
Episode: started 2025-04-24, day 5 Stock Change Close Leader Hanwha Ocean 042660 +11.1% 89,900 ★ HD Hyundai Heavy Industries 329180 +7.2% 403,000 HD Korea Shipbuilding & Offshore Engineering 009540 +6.4% 265,500 HJ Shipbuilding & Construction 097230 +3.2% 7,980 HD Hyundai Mipo 010620 +3.1% 163,500 Samsung Heavy Industries 010140 +0.9% 14,720
6. Nuclear (recurred after 7 days) Episode: started 2025-04-25, day 4 Stock Change Close Leader Samyoung M-tek C0 054540 +10.7% 5,810 Korea Electronic Power Industrial Development 130660 +7.6% 11,610 ★ LS ELECTRIC 010120 +7.2% 192,300 Hyosung Heavy Industries 298040 +4.8% 459,500 S&W 103230 +4.2% 3,845 Doosan Enerbility 034020 +3.7% 27,900 WOOJIN Ntec 457550 +3.6% 18,970 Woojin 105840 +3.3% 7,850 Daewoo Engineering & Construction 047040 +2.4% 3,375 Seojeon Electric Machinery 189860 +2.0% 4,390
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Episode: started 2025-04-24, day 5 Stock Change Close Leader Samyoung M-tek C0 054540 +10.7% 5,810 ★ HD-Hyundai Marine Engine 071970 +5.9% 36,750 Daechang Solution 096350 +4.8% 372 Cape Industries 064820 +4.8% 6,800 Daeyang Electric 108380 +4.6% 19,350 STX Engine 077970 +4.4% 23,600 S&W 103230 +4.2% 3,845 KSP 073010 +3.3% 4,365 Oriental Precision & Engineering 014940 +2.8% 5,610 Hanwha Engine 082740 +2.5% 27,150
Episode: started 2025-04-25, day 4 Stock Change Close Leader Qualitas Semiconductor 432720 +10.6% 15,490 ★ iA 038880 +6.5% 229 Edge Foundry 105550 +5.7% 4,065 Optrontec 082210 +4.4% 1,771 Smart Radar System 424960 +4.1% 9,850 ThinkwareSystems 084730 +3.8% 9,860 SK hynix 000660 +3.4% 184,400 Ranix 317120 +3.1% 2,475 PonyLink 064800 +3.0% 1,029 Telechips 054450 +2.7% 14,000
Closing Thoughts Telecom Equipment , Shipbuilding and Shipbuilding Equipment each logged a second straight day, led by Fino at 20.68% and Hanwha Ocean at 11.12%. Whether that run extends is the next marker.
Nuclear returned after a 7-day gap, with news on a possible Czech nuclear plant deal. Autonomous Driving reappeared after a 100-day gap, and both themes had all 10 stocks higher.