South Korea’s KOSPI closed at a document 9,063.84 on June 18, crossing 9,000 for the primary time in historical past. The index gained 2.25% on the day. Simply two shares had been chargeable for most of it.
Samsung Electronics and SK Hynix collectively account for greater than 50% of the index by market worth. Each hit all-time highs, and nearly every part else fell.
The Catalyst Behind the Transfer
SK Hynix jumped once more after confirming it had shipped samples of its seventh-generation high-bandwidth reminiscence chip, HBM4E, to main AI prospects. The announcement cemented its place because the main provider of the specialised DRAM that powers Nvidia GPU packages and large-scale AI workloads.
Samsung Electronics additionally spiked. Samsung Life Insurance coverage and SK Sq., each valued largely on their stakes within the two chipmakers, posted related good points for a similar motive. Exterior that cluster, the session informed a distinct story.
Of the 917 shares traded on the Korea Change, 791 declined. Hyundai Motor fell 2.75%, Kia Corp dropped 4.51%, and battery maker LG Power Answer misplaced 3.85%. The headline quantity masked a market the place most contributors misplaced floor.
International Cash Piled In
International traders had been internet patrons of roughly 1.3 trillion received ($851 million) on the day. That purchasing stress was a key drive lifting the index, as overseas capital flowed into the names with the clearest AI earnings story.
Daishin Securities raised its 2026 KOSPI goal from 8,800 to 11,500 following the shut, with analyst Lee Kyung-min writing that the index’s upside ought to maintain so long as ahead earnings estimates for chipmakers proceed rising. The agency referred to as it a traditional efficiency and coverage market.
South Korea’s monetary regulator issued a separate investor warning on single-stock leveraged merchandise tied to Samsung and SK Hynix, a sign that retail leverage in Korean equities has grown sharply alongside the index. The KOSPI crossed 9,000 in 16 buying and selling days after first clearing 8,000. How broadly the following thousand factors are shared could matter greater than once they arrive.
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