KOSPI & Micron Technology
43 shared events · Importance 6 · Last updated Aug 23, 2026
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Business
KOSPI: Plunged up to 8.9% in a single session; dominated by Samsung Electronics and SK Hynix.
Micron Technology: Fell up to 13.3% in a single day; volatile swings; still up over 200% year-to-date.
Apr 20, 2026 · 344 articles
Business
KOSPI: The KOSPI>>> index reached a new all-time high, driven by the strong performance of memory chipmakers like SK Hynix>>> and Samsung Electronics>>>. It has emerged as the world's best performer in the global AI boom.
Micron Technology: Micron Technology>>> crossed the $1 trillion market value mark, experiencing a significant surge in its stock price due to high demand for its HBM chips. The company's HBM supply for 2026 is already sold out.
May 27, 2026 · 15 articles
International
KOSPI: The KOSPI experienced a sharp decline due to a combination of US-Iran tensions and a tech sell-off on Wall Street, reflecting a significant negative impact on the South Korean stock market.
Micron Technology: Micron Technology's stock fell, adding to the negative sentiment in the tech sector.
Jun 10, 2026 · 8 articles
Business
KOSPI: South Korea's KOSPI hit a new record, surging significantly due to strong performances from chipmakers like Samsung Electronics and SK Hynix.
Micron Technology: Micron Technology reported stronger-than-anticipated profit and revenue, and its shares surged, leading the market's tech rebound.
Jun 24, 2026 · 57 articles
Business
KOSPI: The KOSPI soared to an all-time high, driven by strong buying of technology shares like Samsung Electronics and SK Hynix, reflecting the significant positive impact of the AI boom and local corporate developments on the South Korean market.
Micron Technology: Micron Technology's shares advanced significantly, becoming a major force lifting the S&P 500, after analysts raised their price target due to continued strength in demand for computer memory. It also topped a $1 trillion valuation.
May 20, 2026 · 72 articles
Business
KOSPI: The KOSPI index rallied sharply, driven by the strong performance of South Korean semiconductor shares like Samsung Electronics and SK Hynix.
Micron Technology: Micron Technology's stock surged due to unprecedented demand for its high-bandwidth memory (HBM) chips, driven by the AI revolution. The company's revenue and profit forecasts exceeded expectations, leading to a significant increase in market capitalization and customer commitments for future supply.
May 19, 2026 · 104 articles
Business
KOSPI: Experienced historic volatility, with a record 17.9% surge and a 22% monthly loss.
Micron Technology: Experienced volatile trading but surged on strong AI demand. Stock remains up significantly for the year.
Jul 14, 2026 · 280 articles
International
KOSPI: The KOSPI plunged 9%, reflecting severe impact on South Korean equities, especially semiconductors.
Micron Technology: Micron sank 4.9%, eroding its year-to-date gains, as the AI-driven rally in memory chips faced profit-taking and valuation worries.
Apr 20, 2026 · 304 articles
Business
KOSPI: The KOSPI surged sharply, repeatedly triggering sidecars and reaching record highs above 8,400 points, reflecting strong investor optimism and tech-led gains.
Micron Technology: Micron Technology's better-than-anticipated quarterly earnings contributed to the KOSPI's sharp gain, specifically boosting semiconductor shares.
Jun 09, 2026 · 20 articles
International
KOSPI: The KOSPI jumped 3.5% to 7,743.65 after a significant loss on Monday, indicating a recovery in the South Korean market.
Micron Technology: Micron Technology rose 9.9% after a significant slide, resuming its strong performance in 2026.
Jun 08, 2026 · 9 articles
Business
KOSPI: South Korea's KOSPI sank 5.5%, heavily impacted by declines in major tech companies like SK Hynix and Samsung Electronics.
Micron Technology: Micron Technology experienced a substantial drop of 13.3%, making it one of the biggest losers among S&P 500 stocks during the tech sell-off.
Jun 04, 2026 · 38 articles
Domestic
KOSPI: The KOSPI index dropped sharply due to significant losses in South Korean chip companies, reflecting concerns over the AI sector.
Micron Technology: Micron Technology's stock rose slightly, recovering some losses after a significant drop, but remains under pressure due to concerns about AI stock valuations.
Jul 02, 2026 · 27 articles
Business
KOSPI: The KOSPI stock index has nearly doubled in value since January, largely driven by the performance of South Korean chipmakers benefiting from the AI boom.
Micron Technology: Micron Technology has seen its share price more than double due to red-hot demand for its chips in the AI sector.
Jun 05, 2026 · 13 articles
unfocused
KOSPI: South Korea's KOSPI>>> index jumped to a record high, buoyed by strong exports, particularly semiconductors, and growth in AI and advanced technologies.
Micron Technology: Micron Technology rose significantly, vaulting past the $1 trillion valuation mark, as it rides the artificial intelligence wave.
May 19, 2026 · 199 articles
Business
KOSPI: The KOSPI experienced volatility, swinging sharply lower after hitting a record high.
Micron Technology: Micron Technology recently joined the club of behemoth companies, also riding the AI wave, indicating the broad impact of AI on the semiconductor industry.
May 26, 2026 · 9 articles
Business
KOSPI: Seoul's Kospi lost 5.8%, hit by chip stocks.
Micron Technology: Micron's stock fell as part of the tech selloff, with higher yields raising concerns about capital-intensive AI spending.
Aug 18, 2026 · 23 articles
Business
KOSPI: The KOSPI index gained 1.3% after earlier sharp losses, reflecting a recovery in South Korea's stock market.
Micron Technology: Micron Technology climbed 1.1%, showing a positive trend in the semiconductor industry.
Jun 29, 2026 · 8 articles
Business
KOSPI: The KOSPI index, which had fallen from record highs, is likely to benefit from the buyback as SK Hynix's shares rise, potentially stabilizing the market.
Micron Technology: Micron, a US rival, has pledged to return 100% of excess cash to shareholders, setting a benchmark that SK Hynix's buyback aligns with.
Aug 19, 2026 · 8 articles
Business
KOSPI: The KOSPI index sunk significantly, experiencing high volatility and a halted trading session, on the back of souring tech sentiment following Apple Inc.'s price increases.
Micron Technology: Micron reported record gross margins of 86% and secured $22 billion in long-term commitments, benefiting from AI-driven memory demand.
Jun 17, 2026 · 199 articles
International
KOSPI: South Korea's Kospi dropped due to fallout from overreliance on AI hopes and the economic impact of the Iran war.
Micron Technology: Micron Technology's stock dropped, tracking losses in tech shares and indicating a cooling of the AI boom's impact on semiconductor companies.
May 05, 2026 · 374 articles
Business
KOSPI: The KOSPI rocketed nearly 8% higher in morning trade after the strike was averted, reflecting investor relief and positive market reaction to the resolution of the labor dispute.
Micron Technology: Micron is a US-based chipmaker that has seen its value increase due to high demand for memory chips, benefiting from the overall AI boom.
May 20, 2026 · 86 articles
Business
KOSPI: The KOSPI index fell, reflecting a broader market correction after significant gains driven by AI stocks like SK Hynix.
Micron Technology: Micron Technology shares fell sharply due to worries about overvaluation in the AI sector, contributing to the broader market's decline.
Jun 16, 2026 · 56 articles
Business
KOSPI: Korean stock index; fell 4.2% on Samsung's earnings day.
Micron Technology: Another memory chipmaker benefiting from tight supply and rising prices.
Apr 20, 2026 · 47 articles
Business
KOSPI: South Korean index, rose nearly 1% on the day, partly due to memory chip strength.
Micron Technology: Micron, a leading DRAM maker, sees CXMT as a competitor but also benefits from the memory shortage. CXMT's valuation at half of Micron's highlights market exuberance.
Jul 14, 2026 · 113 articles
International
KOSPI: The KOSPI tumbled 6% on Wednesday, following a 10.8% plunge, due to tech stock declines and global risk aversion.
Micron Technology: Micron dropped 3.7% as chip stocks declined.
Feb 08, 2026 · 308 articles
Business
KOSPI: KOSPI fell nearly 9% on July 13, driven by declines in SK Hynix and Samsung, which together have over 50% weight in the index.
Micron Technology: Micron, SK Hynix's U.S. competitor, trades at a higher forward P/E (6.66x vs 5.5x). SK Hynix's U.S. listing may narrow the valuation gap.
Apr 20, 2026 · 247 articles
Business
KOSPI: KOSPI plunged 11%, driven by sharp declines in Samsung and SK Hynix amid the chip selloff.
Micron Technology: Micron crossed $1 trillion in market value in May, benefiting from the shift in AI investment toward memory chips. It is a key beneficiary of the broadening AI trade.
Jul 08, 2026 · 107 articles
Business
KOSPI: The KOSPI index closed significantly lower due to global tech stock routs, despite the positive news of AI partnerships, reflecting broader market concerns about potential United States — Federal Reserve rate hikes.
Micron Technology: Micron Technology is mentioned as a competitor to SK Hynix and Samsung Electronics in the memory chip market, which is experiencing surging demand due to AI.
Jun 01, 2026 · 153 articles
International
KOSPI: The KOSPI experienced volatility, swinging sharply lower after hitting a record high.
Micron Technology: Micron Technology saw its shares pile on nearly 20 percent, reaching a $1 trillion market capitalization, driven by strong AI demand for memory systems.
May 25, 2026 · 35 articles
International
KOSPI: The Korean index has been volatile, partly due to global risk sentiment.
Micron Technology: Micron has benefited from AI demand, but is not directly affected by the conflict.
Mar 09, 2018 · 488 articles
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