South Korean (KOSPI) Tech Stocks - Biggest Losers Today

UPDATED Dec 30, 2025

Explore the South Korean (KOSPI) Biggest Losers Today. These Tech Stocks have seen the largest drop in Market Cap from the previous trading day.

274 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
A006400
Samsung SDI
₩269,500.00-2.9%8.9%₩21.1t₩321,161.80PS1.6xE61.0%0%
A007660
ISU Petasys
₩119,200.00-4.3%335.8%₩8.8t₩148,318.18PE64xE33.3%0.1%
A009150
Samsung Electro-Mechanics
₩255,000.00-1.0%106.0%₩18.9t₩302,037.04PE32.1xE25.1%0.7%
A034220
LG Display
₩11,810.00-1.6%29.4%₩5.9t₩15,280.00PB0.9xE59.2%0%
A108490
ROBOTIS
₩261,000.00-2.4%1,022.6%₩3.8t₩149,000.00PE1046xE77.3%n/a
A005070
Cosmo Advanced Materials & Technology
₩43,300.00-5.4%-15.9%₩1.4t₩51,500.00n/aE11.3%n/a
A020150
Lotte Energy Materials
₩30,550.00-3.5%29.4%₩1.6t₩36,600.00PS2.3xE89.9%0.7%
A078600
Daejoo Electronic Materials
₩63,500.00-4.1%-15.1%₩951.7b₩102,250.00PE25.3xE-13.0%0.2%
A090360
Robostar
₩80,100.00-4.1%265.8%₩781.0bn/aPS10.5xn/a0%
A032500
Kmw
₩14,400.00-5.0%64.0%₩589.4bn/aPS5.9xn/an/a
A178320
Seojin SystemLtd
₩25,300.00-1.6%-5.8%₩1.4t₩34,666.67PS1.4xE116.9%0%
A049630
Jaeyoung Solutec
₩4,510.00-3.4%579.2%₩527.2bn/aPE106.4xn/an/a
A025320
Synopex
₩6,070.00-3.0%7.5%₩555.5bn/aPE20.1xE0.7%n/a
A050890
SOLiD
₩7,370.00-3.8%11.0%₩444.3bn/aPE18.4xn/a0.7%
A051980
JOONGANG ADVANCED MATERIALS
₩2,470.00-4.4%-70.6%₩273.8bn/aPS16xn/an/a
A336370
Solus Advanced Materials
₩7,300.00-2.1%-11.0%₩553.7b₩11,500.00PS1.1xE87.4%0.1%
A043260
Sungho Electronics
₩9,240.00-1.8%724.3%₩655.3bn/aPS3.3xn/an/a
A011070
LG Innotek
₩271,000.00-0.2%67.3%₩6.4t₩286,653.85PE20.5xE28.7%0.8%
A010170
Taihan Fiber Optics
₩2,225.00-3.7%160.5%₩293.7b₩2,150.00PS2xE178.9%n/a
A204270
JNTC
₩19,820.00-0.9%5.0%₩1.1t₩26,000.00PS5.9xE109.9%n/a
A092460
Hanla IMS
₩17,000.00-3.6%108.6%₩277.8bn/aPE11.9xn/a1.8%
A032820
Woori Technology
₩3,640.00-1.6%118.5%₩606.7bn/aPE44.6xn/an/a
A179900
UTI
₩19,990.00-2.2%-23.4%₩382.1b₩40,000.00PS19.8xE120.7%0%
A464080
SOS Lab
₩14,200.00-3.4%5.3%₩251.1bn/aPS51.8xn/an/a
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