Samsung Electronics is entering HBM in earnest, helping it overcome macro and won-strength concerns, while SK Hynix is diversifying its HBM customer base to reduce dependence on a single customer. Both are being re-rated as key beneficiaries of the memory upcycle.
The narrative appeared every day throughout the seven-day window and drew the highest level of attention as separate Mirae Asset reports on Samsung Electronics and SK Hynix overlapped. News reports also repeatedly cited recovering semiconductor investment sentiment as a driver of the KOSPI's move to the 7,000 level.
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Why it matters
This is a dominant consensus narrative, with strong support from both research and news. Reports of poor HBM yields at China's CXMT highlighted the leadership of Korean producers.
What would change it
News reports raised skepticism that the concentration in semiconductors, with Samsung Electronics and SK Hynix accounting for 55% of market capitalization, could distort the index and increase profit-taking risk.
Korea exposure
Observed evidence · 6 research notes · 279 news mentions
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