Samsung Biologics Co., Ltd. laid out a ₩15.4tn investment plan running to 2034 this week, and the shares fell 2% on September 4 to ₩1,447,000, a ₩67 trillion market cap.
SK Square Co., Ltd. rose 6.12% to ₩1,041,000 on September 4, crossing ₩1 million for the first time, as SK hynix gained about 4% on the same day.
SK Inc. rose 5.14% to ₩573,000 on September 4, part of a broad holding-company rally, taking its market capitalisation to ₩41.5 trillion.
Celltrion, Inc. reported second-quarter revenue of ₩1,393.7bn, up 45% year on year, and operating income of ₩451.8bn, a 32.4% margin, both records for a second quarter.
NAVER Corporation rose 2.89% to ₩213,500 on September 4 after announcing that founder Lee Hae-jin met Brookfield chairman Bruce Flatt the day before to discuss a 1-gigawatt AI factory.
LG Energy Solution, Ltd. has grown revenue for four straight quarters, from ₩5.57tn in Q2 2025 to ₩7.56tn in Q2 2026, a 35.8% year-on-year gain.
Samsung Electronics Co., Ltd. closed at ₩255,500 on September 4, a market capitalisation of ₩1,493.7 trillion against ₩579.3tn of book equity, about 2.6 times book.
Hanwha Aerospace Co., Ltd. reported an order backlog of about ₩38.3tn in its ground-defense segment at the end of June, with exports making up 75% of it.
HD Hyundai Co., Ltd. closed at ₩240,500 on September 4, up 12.65% in one day, the largest gain among Korean large caps and far ahead of its own shipyards.
Hyundai Motor Co. and its affiliates broke ground on September 4 on a $5.8bn electric-arc steel mill in Donaldsonville, Louisiana, due to make 2.7 million tons a year from 2029.
KB Financial Group Inc. fell 3.32% to ₩172,000 on September 4 while the KOSPI rose, leaving its ₩61 trillion market cap almost exactly level with ₩62.7tn of reported equity.
Hanmi Semiconductor Co., Ltd. rose 9.26% to ₩230,000 on September 4, its first strong day after three sessions of declines and the SK hynix HBM4 delivery deadline of September 2.
Silicon2 Co., Ltd. is scaling with the K-beauty export wave, while a new preferred-share investor will fund further global infrastructure.
Doosan Robotics Inc. restored growth in early 2026, but sales remain tiny beside the value assigned to collaborative-robot adoption today.
HLB Co., Ltd. remains a rivoceranib approval story, while its small operating businesses cannot yet support the company's market value.
NC Corporation scheduled September meetings with Korean and Japanese institutions just after reporting a sharp first-half earnings recovery for a detailed business update.
Orion Corporation enters the second half with higher sales and profit, while China, Vietnam and Russia keep the business diversified beyond Korea.
EO Technics Co., Ltd. is capturing stronger demand for laser tools used in advanced semiconductor packaging, including high-bandwidth memory production.
Taihan Cable & Solution Co., Ltd. produced stronger cable earnings, but a large derivative charge pushed first-half net income deeply negative.
Sanil Electric Co., Ltd. has turned a US transformer shortage into rapid growth, and a fresh TMEIC USA order extends that evidence.
Doosan Bobcat reported second-quarter revenue of $1,630.4m and operating profit of $194.8m, an 11.9% margin that beat what analysts were expecting.
Korea's Patent Court ruled on June 18 that rival YEST's high-pressure annealing equipment does not infringe HPSP's patent. YEST says the legal barrier to commercialising it is gone.
Macquarie sold its last 8.3% of LG CNS in a January 2026 block trade, ending the selling pressure that dominated the stock's first year as a public company.
Hanwha Corporation completed a horizontal spin-off on August 1 and relisted on August 25. The stock opened at ₩100,600 and closed the day up 17.4%.
Hankook Tire's revenue went from ₩9,411.9bn in FY2024 to ₩21,202.3bn in FY2025. Operating income moved from ₩1,762.3bn to ₩1,841.1bn, a rise of 4.5%.
AMOREPACIFIC reported Americas revenue of ₩210.4bn in the second quarter, up 56.5% year on year, while Korean goods entering the United States now face a 15% tariff.
KRAFTON reported record first-half revenue of ₩2,661.6bn and record operating profit of ₩972.5bn. It also reported a second-quarter net loss of ₩29.9bn.
Korea Investment Holdings earned ₩1,915.0bn in the first half of 2026. That is 94.6% of what the company made in all of FY2025, a record year.
Samsung Heavy Industries raised the value of a building contract to ₩639.9bn on August 31. The customer is Samsung Electronics and the work is a semiconductor fab in Pyeongtaek.
Samsung Fire & Marine told the Korea Exchange on September 3 that no acquisition has been decided, hours after the Korea Economic Daily reported a Canopius takeover.
Rainbow Robotics Co., Ltd. carries a ₩8.47tn market capitalization against trailing four-quarter revenue of ₩45.1bn — roughly 188 times sales and 64 times book value.
Hyundai AutoEver Corporation grew June-quarter revenue 20% to ₩1,250.7bn, but first-half operating profit rose only 3.4% as the operating margin fell from 5.8% to 5.1%.
Korea Aerospace Industries, Ltd. grew June-quarter revenue 41% year on year to ₩1,167.9bn, but operating profit fell 43% to ₩48.4bn as gross margin went from 18.7% to 10.7%.
Kiwoom Securities Co., Ltd. earned ₩680.6bn of net profit in the June quarter, up 119% year on year, on operating profit of ₩788.9bn that rose 93%.
Jusung Engineering Co., Ltd. closed at ₩173,700 against a 52-week low of ₩26,450, while first-half 2026 revenue fell 42% year on year to ₩114.8bn.
LS Corp. earned ₩1,071.7bn of operating profit in the first half of 2026, more than it made in all of 2025, on June-quarter revenue of ₩11.0tn.
KakaoBank Corp. reported first-half net profit of ₩328bn, up 24.4% and a record, while operating profit for the same six months came in at ₩351.6bn against ₩353.2bn a year earlier.
Hanwha Systems Co., Ltd. booked record June-quarter revenue of ₩1.12tn and ₩103.7bn of operating profit, roughly triple the year-earlier figure, on defense exports and radar shipments.
Alteogen Inc. disclosed an exclusive option and license agreement with Novartis Pharma AG on September 2, worth up to $3,223 million if every option is exercised and every milestone lands.
Industrial Bank of Korea (KRX:024110) closed at ₩20,900 against book value of about ₩47,571 a share, so it trades at 0.44 times equity while earning a return on equity near 7.7%.
| 030530Wonik Holdings Co., Ltd. | ₩22,500 +29.91% |
| 108490Robotis | ₩304,500 +22.54% |
| 267250HD Hyundai Co., Ltd. | ₩240,500 +12.65% |
| 336260Doosan Fuel Cell | ₩43,850 +12.44% |
| 058610SPG Co., Ltd. | ₩94,200 +12.41% |
| 036460Korea Gas Corporation | ₩35,100 -6.90% |
| 003690Korean Reinsurance Company | ₩14,500 -6.27% |
| 088350Hanwha Life Insurance | ₩5,740 -6.06% |
| 000810SAMSUNG FIRE & MARINE INSURANCE CO.,LTD | ₩663,000 -5.56% |
| 011780Kumho Petro Chemical Co., Ltd. | ₩125,900 -5.41% |