South Korean (KOSPI) Tech Stocks - Biggest Losers Today

UPDATED Dec 17, 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
A108490
ROBOTIS
₩276,500.00-5.1%1,320.1%₩4.0t₩149,000.00PE1108.1xE77.3%n/a
A033790
Fino
₩5,500.00-10.7%-12.8%₩372.6bn/an/an/an/a
A204270
JNTC
₩20,100.00-3.1%-8.4%₩1.1t₩26,000.00PS6xE109.9%n/a
A090360
Robostar
₩72,300.00-4.2%252.7%₩704.9bn/aPS9.4xn/a0%
A049630
Jaeyoung Solutec
₩2,870.00-6.5%313.5%₩335.5bn/aPE67.7xn/an/a
A0015G0
Green Optics
₩14,200.00-12.7%n/a₩166.2bn/aPE248.8xS37.1%n/a
A010170
Taihan Fiber Optics
₩2,285.00-6.5%155.3%₩301.6b₩2,150.00PS2.1xE178.9%n/a
A078600
Daejoo Electronic Materials
₩70,300.00-1.3%-11.9%₩1.1t₩102,250.00PE28xE-13.0%0.1%
A105840
Woojin
₩18,120.00-2.9%175.4%₩356.8bn/aPE29xn/a1.4%
A214430
i3system
₩68,300.00-2.1%67.0%₩485.4b₩165,000.00n/aE17.3%0.6%
A950250
TeraView Holdings
₩10,740.00-2.6%n/a₩381.5bn/aPS42.6xn/an/a
A417970
Model Solution
₩22,650.00-5.2%139.9%₩144.9bn/aPE21.7xn/a0.9%
A002230
PS Tec
₩6,340.00-6.9%59.7%₩104.2bn/aPE10.1xn/a4.7%
A032820
Woori Technology
₩3,710.00-1.1%105.5%₩618.3bn/aPE45.5xn/an/a
A090460
BH
₩18,070.00-1.0%-0.9%₩586.6b₩21,733.33PE86.7xE52.5%1.4%
A452450
PIE
₩6,730.00-2.0%n/a₩241.5bn/aPS2.7xn/an/a
A248070
Solum
₩16,780.00-0.6%-17.1%₩802.4b₩21,000.00PE39xE54.1%n/a
A336370
Solus Advanced Materials
₩7,740.00-0.8%-14.8%₩584.9b₩11,500.00PS1.1xE87.4%0.1%
A138080
OE Solutions
₩13,500.00-2.9%36.0%₩147.6bn/aPS2.8xn/a0%
A061090
SENA Technologies
₩48,050.00-1.5%n/a₩268.0bn/aPE12.6xE23.8%n/a
A424960
Smart Radar System
₩8,190.00-3.2%-24.0%₩128.4bn/aPS17.4xn/an/a
A062970
KOREA ADVANCED MATERIALS
₩2,790.00-5.7%25.7%₩64.3bn/aPS14.5xn/an/a
A033180
KH Feelux
₩442.00-4.3%-69.5%₩84.3bn/aPB0.2xn/a0%
A121800
Vidente
₩3,320.00-1.8%-62.3%₩193.5bn/aPS20.1xn/an/a
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