Foreign money sellers monitor trade charges as an digital display screen (prime) reveals South Korea’s benchmark inventory index (KOSPI) in a overseas trade dealing room on the Hana Financial institution headquarters in Seoul on June 23, 2026.
Jade Gao | AFP | Getty Photos
South Korea’s inventory benchmark, Kospi, has gone from being the world’s hottest fairness market to coming into bear territory inside a number of weeks, highlighting how buyers have soured on synthetic intelligence performs and underscoring focus dangers.
The Kospi fell greater than 5% on Wednesday, which introduced it 20% under its June 19 file excessive, in accordance with LSEG information. It closed barely larger on Thursday in uneven buying and selling.
“South Korea’s latest drawdown has been pushed by heightened AI skepticism on the a part of world buyers, coupled with excessive market focus,” stated Manishi Raychaudhuri, CEO of Emmer Capital.
The pace of the reversal brings to gentle a central characteristic of this yr’s rally: South Korea’s outsized dependence on the AI commerce. Chipmakers Samsung Electronics and SK Hynix accounted for greater than half of the Kospi’s weighting as of June, information supplied by Emmer Capital confirmed. That excessive reliance has each lifted and sunk the index.
Kospi efficiency year-to-date
“The correction has been pushed extra by positioning than by a deterioration in fundamentals,” stated Jung In Yun, founding father of Fibonacci Asset Administration International. Korean equities had develop into “one of the vital crowded AI trades globally after a really sturdy rally, so it didn’t take a lot to set off revenue taking,” he added.
Rising world uncertainty and considerations that earnings upgrades may reasonable have additionally made buyers extra cautious, though he described the drop in Kospi as “a wholesome reset moderately than a basic change within the outlook.”
Peter Kim, world funding strategist at KB Monetary Group, argued that the transfer additionally displays a broader shift in how trendy markets behave.
“The gamification of finance has led to such gyrations pushed much less by fundamentals however by information flows and fads,” he stated, including that retail fund flows, leveraged exchange-traded funds and AI-driven focus have made swings of 5% to 10% more and more widespread. The Kospi volatility index has surged over 200% for the reason that begin of the yr.
Valuation adjustment
Kospi has been hammered recently regardless of sturdy earnings from the businesses on the heart of the sell-off. Samsung on Tuesday reported blockbuster revenue, whereas reminiscence pricing continues to strengthen. The chip large’s shares, nonetheless, tanked on considerations about AI spending.
“The market is questioning the tempo of earnings development moderately than the sustainability of AI demand itself,” Fibonacci’s Jung stated. “This distinction is necessary as a result of it suggests we’re seeing a valuation adjustment moderately than the tip of the AI cycle.”
Underscoring sturdy demand, Rolf Bulk, head of semiconductors and infrastructure at Futurum Group stated that reminiscence costs rose between 50% and 80% sequentially within the second quarter, with additional will increase anticipated later this yr.
Fundamentals for reminiscence makers stay intact, Bulk added, citing a multi-year provide scarcity and long-term contracts with hyperscale clients. KB Monetary Group’s Kim echoed that “fundamentals and visibility of earnings makes the present correction a possibility for many who can face up to the short-term volatility.”
The Kospi remains to be up greater than 70% this yr, having gained over 75% final yr.
“Whereas volatility might persist within the close to time period, I imagine the medium-term outlook stays constructive,” stated Fibonacci’s Jung. “As soon as world threat sentiment stabilizes, overseas buyers are prone to revisit Korea given its central function within the world AI provide chain.”
The timing of any sustained restoration in South Korea’s inventory market, nonetheless, stays tough to foretell and can rely partially on broader world market situations, specialists stated.
The U.S. itemizing of SK Hynix on Friday may present a near-term enhance for reminiscence shares, in accordance with Bulk. Constructive administration commentary on the sturdiness of the reminiscence cycle by the second half of 2026 may assist elevate each chipmakers and the broader Kospi, he added.
“2Q26 earnings disclosures from SK Hynix and Samsung Electronics later this month could be a additional constructive driver: constructive commentary from each firms on the sustainability of the cycle within the second half of 2026 may help the shares and the broader Korean market.”
