Sep 18: 8 Strong Themes — Semiconductor Equipment, Robotics (Industrial & Collaborative) September 18, 2025
· #Semiconductor Equipment #Robotics (Industrial & Collaborative) #Quantum Cryptography & Computing #Semiconductor Materials & Components #Cybersecurity #AI & Robotics #Hydrogen (Fuel Cells, Vehicles) #HBM (High Bandwidth Memory)
8 strong themes — 8 recurred. Top: Semiconductor Equipment +15.1%.
Strong themes 8
Top change +15.1%
Leader Robostar
Average change by strong theme Average change of member stocks, by theme · descending
Semiconductor Equipment
+15.1%
Robotics (Industrial & Collaborative)
+11.5%
Quantum Cryptography & Computing
+11.2%
Semiconductor Materials & Components
+10.0%
Hydrogen (Fuel Cells, Vehicles)
+8.7%
HBM (High Bandwidth Memory)
+8.5%
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 Semiconductor Equipment Robostar +29.41% Robotics (Industrial & Collaborative) Robostar +29.41% Quantum Cryptography & Computing Korea Advanced Materials +29.94% Semiconductor Materials & Components LTC +18.16% Cybersecurity Hanssak +22.01% AI & Robotics Robostar +29.41% Hydrogen (Fuel Cells, Vehicles) THN +17.36% HBM (High Bandwidth Memory) YC +15.37%
On Sep 18, Semiconductor Equipment led the session with an average change of 15.11% . All 10 of its stocks rose, led by Robostar at 29.41%.
Robostar also topped Robotics (Industrial & Collaborative) and AI & Robotics . Those themes posted average changes of 11.5% and 9.08%.
In Quantum Cryptography & Computing , Korea Advanced Materials rose 29.94%, the biggest single gain in the data. Every stock in all eight themes closed higher.
Today’s Strong Themes at a Glance Theme by Theme Episode: started 2025-09-18, day 5 Stock Change Close Leader Robostar 090360 +29.4% 44,000 ★ Exicon 092870 +22.8% 17,480 Iste 212710 +15.6% 12,230 YC 232140 +15.4% 14,040 JNB 452160 +12.5% 8,820 Zeus 079370 +12.4% 15,600 Apact 200470 +12.3% 4,030 PSK Holdings 031980 +11.3% 44,350 EO Technics 039030 +11.1% 245,500 Pemtron 168360 +8.5% 18,840
Episode: started 2025-09-18, day 5 Stock Change Close Leader Robostar 090360 +29.4% 44,000 ★ SBB Tech 389500 +13.9% 25,800 Samhyun 437730 +12.7% 23,600 Zeus 079370 +12.4% 15,600 Higen RNM 160190 +10.7% 44,500 Everybot 270660 +10.3% 18,670 SP Systems 317830 +6.8% 9,690 LS THiRA-UTECH 322180 +6.8% 5,780 Angel Robotics 455900 +6.5% 24,750 Naurobotics 459510 +5.5% 25,750
Episode: started 2025-09-18, day 5 Episode: started 2025-09-18, day 5 Stock Change Close Leader LTC 170920 +18.2% 19,650 ★ OKins Electronics 080580 +12.7% 9,140 Duksanhimetal 077360 +11.6% 6,350 Mecaro 241770 +10.9% 17,030 LK Chem 489500 +8.6% 23,450 Hansol IONES 114810 +8.3% 12,720 WONIK Materials 104830 +8.1% 28,850 Tiger Elec 219130 +7.6% 24,050 KnJ 272110 +7.2% 23,750 Temc CNS 241790 +7.1% 7,950
Related news
5. Cybersecurity (recurred after 8 days) Episode: started 2025-09-18, day 6 6. AI & Robotics (recurred after 13 days) Episode: started 2025-09-18, day 5 Stock Change Close Leader Robostar 090360 +29.4% 44,000 ★ Robotis 108490 +12.1% 112,100 Everybot 270660 +10.3% 18,670 WISEnut 096250 +6.7% 16,320 Angel Robotics 455900 +6.5% 24,750 RoboRobo 215100 +5.9% 6,800 LG Electronics 066570 +5.5% 82,200 Hyulim ROBOT 090710 +5.1% 3,530 Clobot 466100 +4.7% 27,900 T-Robotics 117730 +4.6% 12,210
Episode: started 2025-09-18, day 1 Stock Change Close Leader LTC 170920 +18.2% 19,650 THN 019180 +17.4% 7,100 ★ Iste 212710 +15.6% 12,230 Vina Tech 126340 +10.6% 55,400 WONIK Materials 104830 +8.1% 28,850 SJG Sejong 033530 +4.4% 6,680 Dit 110990 +3.6% 14,420 Doosan Fuel Cell 336260 +3.6% 33,450 S-Energy 095910 +3.1% 1,750 Inzi Controls 023800 +2.9% 6,000
Episode: started 2025-09-18, day 1 Stock Change Close Leader YC 232140 +15.4% 14,040 ★ Zeus 079370 +12.4% 15,600 PSK Holdings 031980 +11.3% 44,350 EO Technics 039030 +11.1% 245,500 Di 003160 +6.6% 15,760 Systems Technology 039440 +6.1% 21,700 SK hynix 000660 +5.8% 353,000 Techwing 089030 +5.5% 51,700 Ycchem 112290 +5.3% 22,850 Openedges Technology 394280 +5.0% 12,560
Closing Thoughts All eight themes returned after gaps of 2 to 13 days. Cybersecurity , led by Hanssak at 22.01%, has the longest episode, running 6 days to Sep 23.
HBM (High Bandwidth Memory) and Hydrogen (Fuel Cells, Vehicles) have one-day episodes ending Sep 18. Next sessions will show whether chip and robot names keep overlapping.