KOSPI & Philadelphia Semiconductor Index
12 shared events · Importance 3 · Last updated Aug 12, 2026
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Business
KOSPI: Plunged up to 8.9% in a single session; dominated by Samsung Electronics and SK Hynix.
Philadelphia Semiconductor Index: Fell over 10% in two sessions, entering bear market territory; down 24% from all-time high.
Apr 20, 2026 · 344 articles
Domestic
KOSPI: The KOSPI plunged over 8% due to fears of a United States — Federal Reserve rate hike, marking its biggest daily fall since March 4 and triggering circuit breakers. Despite the recent losses, the KOSPI remains significantly up year-to-date.
Philadelphia Semiconductor Index: The Philadelphia Semiconductor Index slumped 10%, reflecting the widespread selloff in semiconductor stocks that also heavily impacted the KOSPI.
Jun 08, 2026 · 10 articles
Business
KOSPI: South Korea's KOSPI sank 5.5%, heavily impacted by declines in major tech companies like SK Hynix and Samsung Electronics.
Philadelphia Semiconductor Index: The Philadelphia Semiconductor Index suffered its largest one-day percentage plunge since March 2020, erasing over $1 trillion in market value, as chip stocks were at the epicenter of the tech sell-off.
Jun 04, 2026 · 38 articles
Business
KOSPI: Experienced historic volatility, with a record 17.9% surge and a 22% monthly loss.
Philadelphia Semiconductor Index: Surged on AI chip demand, but remained down over 20% from its June high.
Jul 14, 2026 · 280 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.
Philadelphia Semiconductor Index: The Philadelphia SE Semiconductor Index hit an all-time high, reflecting strong performance in the semiconductor sector driven by AI demand.
May 19, 2026 · 199 articles
Business
KOSPI: The KOSPI index rallied sharply, driven by the strong performance of South Korean semiconductor shares like Samsung Electronics and SK Hynix.
Philadelphia Semiconductor Index: The Philadelphia Semiconductor Index experienced its best quarter ever, reflecting the widespread surge in chip stocks driven by AI demand.
May 19, 2026 · 104 articles
Business
KOSPI: The KOSPI experienced volatility, swinging sharply lower after hitting a record high.
Philadelphia Semiconductor Index: The Philadelphia SE Semiconductor Index hit an all-time high, reflecting strong performance in the semiconductor sector driven by AI demand.
May 26, 2026 · 9 articles
International
KOSPI: The KOSPI>>> has experienced fluctuations, initially supported by tech shares but later declining due to profit-taking and broader market concerns related to the US-Iran tensions.
Philadelphia Semiconductor Index: The Philadelphia Semiconductor Index>>> has surged amid demand for chips, but its future performance could be impacted by broader market concerns related to the US-Iran conflict.
May 07, 2026 · 362 articles
International
KOSPI: The KOSPI jumped, catching up after a holiday, indicating a positive sentiment in South Korean markets despite the broader geopolitical concerns.
Philadelphia Semiconductor Index: The Philadelphia Semiconductor Index>>> has surged amid demand for chips, but its future performance could be impacted by broader market concerns related to the US-Iran conflict.
Apr 20, 2026 · 607 articles
Business
KOSPI: KOSPI plunged 11%, driven by sharp declines in Samsung and SK Hynix amid the chip selloff.
Philadelphia Semiconductor Index: The index fell nearly 19% from all-time highs, reflecting the broad selloff in semiconductor stocks amid AI spending concerns.
Jul 08, 2026 · 107 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.
Philadelphia Semiconductor Index: SK Hynix is expected to join the Philadelphia Semiconductor Index, potentially boosting passive investment inflows.
Apr 20, 2026 · 247 articles
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