Daily Woody Weekly | Jun 27, 2026 — Korea’s market whiplash week
Daily Woody
Korea’s news, read between the lines — edited daily for the world
Saturday, June 27, 2026 · Weekly Review
This Week’s Flow
01
Korea’s whiplash week: SK Hynix dethrones Samsung, and a record high becomes a record drop
On Monday, SK Hynix overtook Samsung Electronics as Korea’s most valuable listed company for the first time since 2000 — roughly a quarter-century — and the KOSPI closed at a record high. The mood lasted one day. On Tuesday the index fell about 10% to 8,203.84, its largest-ever point decline, with both memory giants down more than 12% and a 20-minute trading halt triggered mid-session. A Wednesday bounce gave way to Thursday’s 5.4% surge to 8,930.30, powered by Micron’s blowout results. Then came “Black Friday”: the KOSPI fell 5.8% to 8,411.21, sliding past 8,130 intraday before a second circuit breaker.
Two circuit breakers in a single week was a first for the exchange. Foreign investors have been persistent net sellers of Korean equities since May; on Black Friday, they and domestic institutions sold heavily while retail buyers absorbed the supply. For US investors, the swing showed up in the iShares MSCI South Korea ETF (EWY), which dropped more than 12% on Tuesday — a one-day move it has registered only a handful of times in about 25 years.
Reading Between the Lines
Samsung and SK Hynix together account for roughly half of the KOSPI’s entire market value, and both now carry valuations above one trillion dollars. When two highly correlated names make up half an index, the index has nowhere to hide: a single Micron print or one Apple pricing headline moves the whole market by five percent.
The bull case is the AI memory supercycle, with order books reportedly booked into 2027. The bear case is simpler: memory is the most cyclical corner of technology, and a market drawing half its value from two stocks carries a fragility that cuts both ways. This week it cut both ways within five trading days.
02
Tracking: US–Iran ceasefire · ongoing
A rocky first round of post-ceasefire talks — and Trump’s rebuke of NATO
The 14-point memorandum of understanding signed June 17 gave way this week to the first high-level follow-up, the Lake Lucerne Summit in Switzerland (June 21—22), led by US Vice President JD Vance and Iran’s parliament speaker Mohammad Bagher Ghalibaf, with Qatar and Pakistan mediating. The sides agreed on a roadmap toward a final deal within 60 days; Iran agreed to readmit IAEA nuclear inspectors, and the parties set up mechanisms to keep the Strait of Hormuz open and a “deconfliction cell” for Lebanon.
It nearly fell apart. After Trump publicly threatened to “hit Iran very hard again,” Iran’s delegation briefly halted talks and Ghalibaf rebuked the threat as a sign of “desperation,” before negotiators returned to the table. Vance summed it up: “We haven’t built the house, but we’ve laid a successful foundation.” Two days later, in a White House meeting with NATO chief Mark Rutte, Trump again blasted European allies for sitting out the war. Tehran enters these talks under a new supreme leader, Mojtaba Khamenei, installed in March after his father, Ali Khamenei, was killed in the opening US-Israeli strikes — an untested leadership negotiating its first major deal.
Reading Between the Lines
The ceasefire holds on paper, but the two actors most able to break it — Israel and Hezbollah — never signed the memorandum. Israel has said its troops will stay in southern Lebanon as long as necessary, and fighting there has continued.
Oil markets read the foundation as bullish, easing crude prices that had pressured Asian equities. The diplomacy reads as fragile: a framework whose hardest questions were all deferred to technical talks, and whose biggest risk sits outside the room.
03
Tracking: insurrection & first-lady trials · ongoing
Former first lady Kim Keon Hee sentenced to seven years
The Seoul Central District Court sentenced Kim Keon Hee — wife of ousted ex-president Yoon Suk Yeol — to seven years in prison for influence-peddling. The court found that she accepted about 103.8 million won (roughly 68,000 dollars) in luxury gifts, including a Van Cleef & Arpels necklace, a Tiffany brooch, Graff earrings, a Dior handbag, a gold turtle figurine and a Lee Ufan painting, from Suh Hee Construction chairman Lee Bong-kwan in exchange for help securing a government post for his son-in-law. Prosecutors had called the scheme a “sale of public office.”
Kim, who admits receiving the gifts but denies any quid pro quo, is already serving four years from an April ruling over the Unification Church and a stock-manipulation case. Her husband was sentenced to life in February for leading the December 2024 martial-law insurrection. Her lawyers will appeal.
Korea Context
Korea has run a wave of independent “special counsel” investigations into the 2024 martial-law episode and the former first family. The same week as Kim’s verdict, a former justice minister was jailed over the martial-law plot, and a second insurrection special counsel is reported to be examining the prosecutor general — a sign the inquiries are now turning toward the institutions that once led them.
04
Japan: PM Takaichi cornered by a ‘smear video’ scandal
Japanese Prime Minister Sanae Takaichi has struggled to shake off allegations, first reported by the weekly Shukan Bunshun, that her campaign commissioned an IT firm to use AI to create and spread videos defaming rivals during the 2025 LDP leadership race and February’s general election. She denies it, but leaked audio of a meeting involving her secretary and shifting answers in the Diet have kept the story alive. This week she drew a backlash for complaining that the questioning was cutting into her duties.
Why it matters. A Kyodo poll found nearly half of respondents unconvinced by her account, and Jiji put her approval at its lowest since she took office. A scandal built on AI-generated political content is also a preview of a problem every democracy is about to face.
05
Seoul home prices up more than 15% in a year, despite tighter lending
Even after a year of mortgage curbs, Seoul apartment prices have risen more than 15% since the current government took office, according to private tracker Real Estate R114. With financing harder to obtain, demand has shifted to smaller units: official data show the price index for 40—60 square-meter apartments climbed 6.72% in the first half of the year through late June, more than triple the 2.09% gain for the largest homes.
Why it matters. The same low-rate, liquidity-rich backdrop lifting Korean equities is inflating its housing market, and lending caps have rerouted the pressure rather than removing it. For a government that staked its credibility on cooling property, the smaller-home surge is an awkward verdict.
Also This Week
- [KOREA] A new state-backed youth savings scheme drew more than one million applicants in five days. Regulators said 1.012 million had signed up by Friday afternoon; with government matching and tax breaks, it offers the equivalent of up to about 19% annual interest. Herald Economy
- [US · IRAN] The US Treasury’s OFAC issued Iran General License X on June 22, authorizing the production, delivery and sale of Iranian-origin crude, petrochemicals and petroleum products through August 21 — the only legally effective sanctions relief to emerge so far from the ceasefire framework. Lawtimes
- [WORLD CUP] South Korea’s national team faced criticism for a flat showing at the 2026 World Cup, with coach Hong Myung-bo fielding questions about the performance and reports of locker-room discord. MBC News
Economy & Industry · Weekly
Micron’s record quarter lit the fuse — and two capital moves followed
Micron reported fiscal third-quarter revenue of 41.5 billion dollars, up about 346% from a year earlier, with a record 84.9% gross margin and data-center sales making up the bulk of the total. As the clearest read-through for its Korean rivals, the result revived global memory sentiment and drove this week’s mid-week rebound in Seoul. Its shares jumped roughly 16% to a record.
Both Korean memory leaders drew attention with moves on their balance sheets. Samsung said it is weighing the purchase of its own stock to fund employee performance pay — in the US-tech style of paying staff in shares, rather than a conventional shareholder buyback — though it cautioned in a June 24 filing that the size and timing are not yet fixed. Local outlet Munhwa Ilbo put the figure at up to about 90 trillion won (roughly 59 billion dollars). SK Hynix said it would pursue a Nasdaq listing of American depositary receipts on July 10, pending US regulatory approval, opening a channel to US capital.
The takeaway. Fundamentals and corporate balance-sheet moves drove the rebound — but as two halts in one week showed, the same engine that powers the rally also amplifies the downside.
Weather
Inland areas heat up into the weekend, with daytime highs climbing across the country. Swell advisories hold along the south coast and Jeju through Saturday. On Sunday afternoon, scattered showers are expected over Incheon, northern Gyeonggi and the mountains of northern Gangwon.
| Sat 27 | Sun 28 | Mon 29 | Tue 30 | |
|---|---|---|---|---|
| Sky | Mostly clear (cloudy PM, central) | Mostly clear PM showers | Partly cloudy | Cloudy south & Jeju (PM) |
| Low | — | 14—22°C | 15—22°C | 15—22°C |
| High | 24—32°C | 24—33°C | 24—33°C | 24—32°C |
Advisories · South-coast and Jeju swell (through Saturday) · Sunday-afternoon showers over the capital region and northern Gangwon (5—20mm) · inland daytime heat (highs near 33°C, about 91°F).
Korea Meteorological Administration short-range forecast, issued 05:00, June 27 (nationwide ranges).
Next Week’s Calendar
- Mon, Jun 29 — “Korea Great Leap” national conference hosted by President Lee Jae-myung; Samsung is expected to unveil a roughly 1,000-trillion-won (about 650 billion dollars) ten-year chip-investment plan, per Maeil Business.
- Wed, Jul 1 — A unified Gwangju—Jeonnam special city launches (population about 3.2 million), and Incheon redraws its districts (new Jemulpo, Yeongjong, Seohae and Geomdan districts).
- Wed, Jul 1 — June trade data (Ministry of Trade, Industry and Energy); semiconductor exports in focus.
- Thu, Jul 2 — June consumer-price data due.
- Through the week — US–Iran technical follow-up talks continue; Samsung Q2 preliminary earnings expected in early July; SK Hynix Nasdaq ADR listing targeted for July 10, pending US regulatory approval.
Korea Context
The July 1 merger of Gwangju city and South Jeolla province — separated for 40 years — is the first of several planned “mega-region” consolidations under a national push to counter Seoul’s dominance and rural depopulation. The new entity is granted a status on par with Seoul.
Editorial
It was a week of swings. Korea’s stock market traveled from a record high to its largest-ever single-day drop and back within five sessions; a court handed a former first lady seven years; and in Switzerland, a ceasefire produced little more than the promise of a deal. Different stages, one shared trait: in each, the outcome hangs on a very small number of points of pressure.
The KOSPI rises and falls on two chipmakers. Korea’s legal reckoning circles a single household. The Middle East truce turns on one party that never signed it. Concentration is efficiency by another name — it climbs fastest when everything points one way. But when the one point that carries the weight slips, the whole structure goes first. The exchange, halting twice in five days, priced that lesson in real time.
Next week, Gwangju and South Jeolla become one after 40 years apart, and June’s inflation and trade numbers land. Gathering scattered things and letting gathered things tilt to one side are a hair’s breadth apart. How to distribute the weight — and where — is the work the coming week leaves on the desk.
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