Korea Stock Market News
KOSPI & KOSDAQ moves, foreign/institutional flows, and company catalysts — translated for global investors.
Kakao Plunges Over 10% Intraday as Spin-off Rumors Trigger Split-Listing Trauma
Kakao shares plunged more than 10% intraday on August 21. The sell-off — triggered purely by speculation about a spin-off, with no official disclosure — reflects a learned reaction: shareholders were previously burned when affiliates such as Kakao Pay and Kakao Games were split off and separately listed, diluting shareholder value. The split ratio has not yet been disclosed.
Aug 21, 2026
Indef Surges 29% as Textile-Apparel Theme Stocks Rally Together, Trading Volume Jumps
Indef topped the combined KOSPI/KOSDAQ list of biggest gainers, drawing intense investor attention. No company-specific disclosure has been confirmed, but the textile and apparel sector as a whole is rallying together, pointing to theme-driven rotational buying, while a surge in Naver search volume further confirms the broadening public interest.
Aug 21, 2026
Doosan Enerbility: What the Supply Contract Disclosure Really Reveals
Doosan Enerbility disclosed on August 21, 2026 that it signed a single sales/supply contract. With the contract value undisclosed, the key issues are the impact on its order backlog and the timing lag before margins show up in earnings.
Aug 21, 2026
SK Maintains 830,000 Won Target Price as Subsidiary Cash Flow Rebounds
Yuanta Securities maintained its target price of 830,000 won for SK on August 21, putting dividend income, trademark royalty income, and treasury share cancellation forward as the three key re-rating variables.
Aug 21, 2026
Telecom Equipment Stocks Face Test of a Two-Year Upcycle as U.S. 5G Investment Resumes
Telecom equipment stocks are drawing renewed attention to RFHIC, Solid, and KMW after Hana Securities pointed to a U.S.-centered equipment market awakening and the possibility of an industry upcycle lasting more than two years.
Aug 21, 2026
Microdigital Discloses Pre-Maturity Acquisition of Convertible Bonds — Amount and Reason Undisclosed
Microdigital disclosed on the 20th that it acquired its 2nd series convertible bonds before maturity. The acquisition amount and reason were omitted, leaving it unclear whether this resolves dilution pressure or reflects a cash squeeze triggered by an early redemption request — a question that will need to be settled by follow-up disclosures.
Aug 21, 2026
HD Hyundai Heavy Industries Made a Trillion Won on LNG Carriers—Here's the Real Reason It's Now Recast as an AI and Nuclear Power Stock
HD Hyundai Heavy Industries has booked trillion-won-scale profits on the back of an LNG carrier order boom, and is now also being cited as a beneficiary of AI data center power demand and the renewed spotlight on nuclear power, alongside nuclear and power-equipment plays. Whether this profit shift is actually confirmed will depend on order backlog and utilization rates.
Aug 21, 2026
Bitcoin Surges 12% to Break $70,000 as Stocks Fall — 'Bessent Put' Rally Splits
On the 20th, bitcoin held above $70,000 after gaining more than 12% over two days on hopes for regulatory easing. The same day, all three major New York indexes closed lower while international oil prices jumped more than 2%. The Treasury Secretary-driven "Bessent put" rally, however, fizzled out in the stock market within a single day.
Aug 21, 2026
S&P 500 Net Profit Jumped 52%—So Why Is Real Growth Only 33%?
S&P 500 companies' combined net profit rose 52% year-on-year in the second quarter, but excluding unrealized gains on equity holdings, the growth rate falls to 33%. This 19-percentage-point gap, tallied in August, highlights the divide between earnings-season headlines and actual operating performance.
Aug 21, 2026
AI Borrowing Boom Pushes Up US Treasury Yields...Big Tech's Cash Machine Strikes Back
Financing for AI data center investment is roiling the corporate bond market. Big tech bond issuance in 2026 swelled to roughly $194 billion by early July, adding to the burden on long-term interest rates.
Aug 21, 2026
Walmart Plunges 9%, 4.7% Yield Shakes US Stocks to Two-Week Low
Walmart fell 9.2% on August 20 after same-store sales missed expectations, while the 4.700% US 10-year Treasury yield simultaneously weighed on S&P 500 valuations.
Aug 21, 2026
Anthropic IPO: Could It Top SpaceX's $75 Billion Record?
Anthropic posted an annualized revenue run rate of $65 billion as of late July 2026. AI infrastructure demand is repricing everything from Google and Amazon to Broadcom.
Aug 21, 2026
US Government Bonds Yields Rebound to 5.25%, Why Bessent's Intervention Effect Didn't Last a Day
The US 30-year government bond yield climbed back to around 5.25% on August 20, 2026. Fiscal deficit concerns and inflation worries outweighed the expanded long-term bond buyback in how the market priced things in.
Aug 21, 2026
Tien Entertainment: Trading Resumption Isn't an Earnings Signal
Tien Entertainment disclosed on August 20, 2026 the lifting of its trading halt following a par value consolidation and listing change. At its core, this is simply the completion of a capital procedure.
Aug 21, 2026
SK Hynix (000660): Private Dinner With Chey Tae-won Stokes Hopes for a Semiconductor Mega-Investment
Investors in SK Hynix (000660) and Samsung Electronics (005930) should read President Lee Jae-myung's meetings with the heads of the four major conglomerates as signals on three fronts at once: a semiconductor mega-investment, U.S. investment plans, and the restoration of South Korea-China relations.
Aug 21, 2026
SK Group's US Investment: The Number Stock Prices Will Watch First After Chey Tae-won's Dinner
SK Group Chairman Chey Tae-won reportedly had dinner with President Lee Jae-myung on August 20. Whether US investment was discussed has become a valuation variable for SK and SK hynix.
Aug 21, 2026
Wall Street Slips as Treasury Yields Rebound — Walmart's Earnings Send a Warning
Wall Street reflected both a rebound in U.S. Treasury yields and disappointing earnings from Walmart. Korean investors need to watch tech-stock multiples and signs of a consumer slowdown together.
Aug 20, 2026
Nine & Company: A Share Pledge Disclosure Sounds a Governance Warning
On August 20, 2026, Nine & Company filed a share pledge agreement disclosure that carries the possibility of a change in its largest shareholder. Managing pledge-related risk now takes priority over any recovery in the core business.
Aug 20, 2026
The Fund Manager Who Picked SK Hynix Again — Why He Cut Secondary Batteries from the Rally
In his new book, KCGI Asset Management CEO Mok Dae-gyun revisits the fork in the road between SK Hynix and secondary batteries through 20 years of investing experience, asking how to read leadership rotation in the Korean stock market.
Aug 20, 2026
Korean Government Bond Yields Diverge Across Maturities as Foreign Futures Selling and US Buybacks Set the Direction
On the 20th, Korean government bond yields moved in opposite directions across short- and long-term maturities. As the market absorbed foreign investors' selling of government bond futures alongside the US Treasury's buyback volume, yield pressure diverged by maturity segment, prompting a need to reassess bond duration strategies.
Aug 20, 2026
Remedy Stock Surges 21.87%, Ranks No. 4 in KOSDAQ Gainers as Search Volume Spikes
Remedy surged 21.87%, ranking No. 4 among gainers across both the KOSPI and KOSDAQ. Naver search volume for the stock also spiked. Within the same sector, Rayence rose in tandem by 18.2%, while Siswork plunged 33.3%, highlighting a mixed sector performance.
Aug 20, 2026
Woori Technology's Voluntary Disclosure of a Supply Contract... Why Didn't It Clear the 'Mandatory Disclosure' Threshold?
Woori Technology announced a single sales/supply contract via voluntary disclosure. This implies the deal fell short of the KOSDAQ mandatory disclosure threshold — 10% of revenue — so the more important variables are why the company chose to disclose it at all and whether follow-on orders materialize, rather than the contract's size itself.
Aug 20, 2026
On the Day SK Hynix Surged on Its 40 Trillion Won Buyback, Top 1% Traders Sold It and Bought Samsung Electronics
In early trading on August 20, SK Hynix (000660) surged on news of a 40 trillion won share buyback plan, yet the top 1% of investors by returns were net sellers of the stock above all else and net buyers of Samsung Electronics more than any other stock. Here's what's behind the diverging calls.
Aug 20, 2026
China Holds Loan Prime Rate Steady for 15th Straight Month at 3.0% — Here's the Real Reason Behind It
The People's Bank of China left the 1-year loan prime rate at 3.0% and the 5-year rate at 3.5% for a 15th consecutive month. Despite slowing growth, the delay in cutting rates reflects concerns over bank margins and the burden of defending the yuan, with knock-on effects on the KRW/CNY exchange rate and domestic stocks tied to exports and consumption in China.
Aug 20, 2026