Oct 2: 8 Strong Themes — Telecom Equipment, Optical Communications

October 2, 2026 · #Telecom Equipment #Optical Communications #Battery #5G #Space & Aerospace (Nuri Rocket, Satellites) #Battery (Materials & Parts) #Oil Refining #Defense & War

8 strong themes — 8 recurred. Top: Telecom Equipment +16.0%.

Strong themes8 Top change+16.0% LeaderTMC

Average change by strong theme

Average change of member stocks, by theme · descending
Telecom Equipment
+16.0%
Optical Communications
+12.1%
Battery
+11.1%
5G
+10.4%
Space & Aerospace (Nuri Rocket, Satellites)
+10.0%
Battery (Materials & Parts)
+9.7%
Oil Refining
+8.7%
Defense & War
+7.7%

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 -
ThemeLeaderChangeTrend
Telecom EquipmentTMC+29.95%
Optical CommunicationsTMC+29.95%
BatteryIvisionworks+14.03%
5GEluon+14.61%
Space & Aerospace (Nuri Rocket, Satellites)Nara Space Technology+22.95%
Battery (Materials & Parts)Lotte Energy Materials+18.28%
Oil RefiningS-Oil+11.69%
Defense & WarAce Technologies+9.61%

On Oct 2, Telecom Equipment led the session with an average change of 15.96%, and all 10 of its stocks closed higher. Its leader, TMC, gained 29.95%.

Optical Communications followed with an average change of 12.11%, as TMC rose 29.95% and Mercury 29.8%. News headlines tied the rally to expectations of more AI data center investment.

Battery posted an average change of 11.11%, topped by Lotte Energy Materials at 18.28%. Oil Refining rose 8.71% on average, with S-Oil up 11.69%.

Today’s Strong Themes at a Glance

#ThemeStatusAvg. changeUp/TotalLeader
1Telecom Equipmentrecurred after 2 days+16.0%10/10TMC
2Optical Communicationsrecurred after 2 days+12.1%10/10TMC
3Batteryrecurred after 2 days+11.1%10/10Ivisionworks
45Grecurred after 14 days+10.4%10/10Eluon
5Space & Aerospace (Nuri Rocket, Satellites)recurred after 9 days+10.0%10/10Nara Space Technology
6Battery (Materials & Parts)recurred after 43 days+9.7%10/10Lotte Energy Materials
7Oil Refiningrecurred after 23 days+8.7%3/3S-Oil
8Defense & Warrecurred after 2 days+7.7%10/10Ace Technologies

Theme by Theme

1. Telecom Equipment (recurred after 2 days)

StockChangeCloseLeader
TMC 217590+29.9%18,440★
Mercury 100590+29.8%6,250
Wiable 065530+17.6%1,505
DASAN Networks 039560+15.6%2,995
VISSEM Electronics 072950+12.8%17,250
Wooriro 046970+12.6%8,340
Fino 033790+12.4%10,130
Sensorview 321370+9.9%1,890
Ace Technologies 088800+9.6%2,395
OE Solutions 138080+9.3%32,450

2. Optical Communications (recurred after 2 days)

StockChangeCloseLeader
TMC 217590+29.9%18,440★
Mercury 100590+29.8%6,250
VISSEM Electronics 072950+12.8%17,250
Sungho Electronics 043260+9.5%31,200
LiComm 388790+8.4%5,690
Fiberpro 368770+6.5%14,560
Lightron Fiber-optic Devices 069540+6.3%4,400
RF Materials 327260+6.3%52,500
Zaram Technology 389020+5.8%17,060
Korea Advanced Materials 062970+5.7%3,040

Related news

3. Battery (recurred after 2 days)

StockChangeCloseLeader
Lotte Energy Materials 020150+18.3%50,800
Ivisionworks 469750+14.0%5,650★
Fino 033790+12.4%10,130
DaejooElectronicMaterials 078600+11.9%108,300
SK Innovation 096770+10.3%154,000
Soulbrain Holdings 036830+9.8%48,800
SK ie technology 361610+8.9%17,680
NanoTIM 417010+8.9%6,760
Powernet Technologies 037030+8.6%4,085
Pemtron 168360+7.9%16,040

Related news

4. 5G (recurred after 14 days)

StockChangeCloseLeader
Wiable 065530+17.6%1,505
Eluon 065440+14.6%1,616★
Wooriro 046970+12.6%8,340
Sensorview 321370+9.9%1,890
Ace Technologies 088800+9.6%2,395
OE Solutions 138080+9.3%32,450
KMW 032500+8.5%21,100
LiComm 388790+8.4%5,690
Kisan Telecom 035460+6.9%2,640
Frtek 073540+6.5%2,705

5. Space & Aerospace (Nuri Rocket, Satellites) (recurred after 9 days)

StockChangeCloseLeader
Nara Space Technology 478340+22.9%17,410★
LK Samyang 225190+17.6%5,010
Sensorview 321370+9.9%1,890
HVM 295310+8.7%70,200
Green Optics 0015G0+8.1%16,520
Sphere 347700+7.2%24,600
Kencoa Aerospace 274090+6.9%13,480
Fiberpro 368770+6.5%14,560
Intellian Technologies 189300+6.1%72,700
Vitzro Nextech 488900+5.9%11,540

6. Battery (Materials & Parts) (recurred after 43 days)

StockChangeCloseLeader
Lotte Energy Materials 020150+18.3%50,800★
Fino 033790+12.4%10,130
DaejooElectronicMaterials 078600+11.9%108,300
Soulbrain Holdings 036830+9.8%48,800
SK ie technology 361610+8.9%17,680
NanoTIM 417010+8.9%6,760
Solus Advanced Materials 336370+7.5%8,740
Aekyung Chemical 161000+6.9%10,890
Cosmochemical 005420+6.2%11,190
MKElectron 033160+6.1%19,950

Related news

7. Oil Refining (recurred after 23 days)

StockChangeCloseLeader
S-Oil 010950+11.7%166,200★
SK Innovation 096770+10.3%154,000
GS Holdings 078930+4.1%106,400

Related news

8. Defense & War (recurred after 2 days)

StockChangeCloseLeader
Sensorview 321370+9.9%1,890
Ace Technologies 088800+9.6%2,395★
MNC Solution 484870+8.8%18,650
Green Optics 0015G0+8.1%16,520
i3system 214430+7.2%78,600
SNT Dynamics 003570+7.1%32,600
Kencoa Aerospace 274090+6.9%13,480
Kisan Telecom 035460+6.9%2,640
Fiberpro 368770+6.5%14,560
RF Materials 327260+6.3%52,500

Closing Thoughts

The Battery and Space & Aerospace (Nuri Rocket, Satellites) episodes run from Oct 2 to Oct 6, a span of 5 days in the data. The other six themes were single-day episodes.

Several stocks appear in more than one theme. TMC, Mercury and VISSEM Electronics appear in both Telecom Equipment and Optical Communications, and Sensorview appears in four themes.