South Korean (KOSPI) Tech Stocks - Biggest Losers Today

UPDATED Dec 26, 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.

275 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
A006400
Samsung SDI
₩274,000.00-2.1%10.5%₩21.4t₩321,161.80PS1.6xE61.0%0%
A034220
LG Display
₩11,770.00-2.3%27.8%₩5.9t₩15,280.00PB0.9xE59.2%0%
A005070
Cosmo Advanced Materials & Technology
₩46,000.00-2.5%-10.9%₩1.5t₩51,500.00n/aE11.3%n/a
A489790
Hanwha VisionLTD
₩42,750.00-1.7%37.2%₩2.2t₩81,000.00PE19.4xS14.5%n/a
A020150
Lotte Energy Materials
₩32,000.00-1.8%35.6%₩1.7t₩36,600.00PS2.4xE89.9%0.6%
A090360
Robostar
₩76,200.00-3.9%271.7%₩743.0bn/aPS9.9xn/a0%
A178320
Seojin SystemLtd
₩25,300.00-1.9%-2.5%₩1.4t₩34,666.67PS1.4xE116.9%0%
A950250
TeraView Holdings
₩8,200.00-8.9%n/a₩291.2bn/aPS32.5xn/an/a
A484120
Dowooinsys
₩26,050.00-8.3%n/a₩280.2bn/aPE115.4xn/an/a
A353200
DAEDUCK ELECTRONICS
₩46,400.00-0.5%196.1%₩2.3t₩54,333.33PE97.6xE73.3%0.6%
A051980
JOONGANG ADVANCED MATERIALS
₩2,580.00-4.1%-68.1%₩286.0bn/aPS16.7xn/an/a
A032820
Woori Technology
₩3,635.00-1.9%119.5%₩605.8bn/aPE44.6xn/an/a
A033790
Fino
₩5,630.00-2.9%9.3%₩381.4bn/an/an/an/a
A368770
FIBERPRO
₩10,000.00-3.4%112.8%₩326.9bn/aPE36xn/a0.7%
A061090
SENA Technologies
₩45,700.00-4.1%n/a₩254.9bn/aPE12xE27.3%n/a
A248070
Solum
₩16,420.00-1.3%-14.5%₩785.1b₩21,000.00PE38.2xE54.1%n/a
A0015G0
Green Optics
₩14,800.00-5.7%n/a₩173.2bn/aPE259.3xS37.1%n/a
A416180
Shinsung ST
₩32,850.00-3.2%14.9%₩291.8bn/aPE116.6xn/a0.6%
A029530
sindohLtd
₩49,900.00-2.2%31.3%₩430.3bn/aPE9.9xn/a3.0%
A033240
Jahwa Electronics
₩22,600.00-2.0%91.0%₩465.7b₩23,500.00PE26.6xE42.2%0%
A090460
BH
₩16,630.00-1.4%-5.0%₩539.8b₩21,733.33PE79.8xE52.5%1.5%
A105840
Woojin
₩17,440.00-2.2%175.9%₩343.4bn/aPE27.9xn/a1.4%
A010170
Taihan Fiber Optics
₩2,240.00-2.2%156.6%₩295.6b₩2,150.00PS2xE178.9%n/a
A078600
Daejoo Electronic Materials
₩67,000.00-0.6%-10.4%₩1.0t₩102,250.00PE26.7xE-13.0%0.1%
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