Curated independent writers covering global technology, US equities, Korean stocks, semiconductors, AI infrastructure, photonics, power, and market structure.
Sort Korean listed companies by latest-quarter revenue and operating-profit growth versus the previous quarter and the prior-year quarter.
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EE Ph.D. and Silicon Valley semiconductor engineer making complex technology easy to understand.
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Seeing tech through a different wavelength. Photonics and semiconductor research.
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Analog IC design engineer writing about circuits, semiconductors, power, and AI infrastructure.
Labels help readers follow essays across infrastructure, semiconductors, optical networks, power systems, and equity market context.
HBM, memory bandwidth, advanced packaging, GPU supply chains, and AI inference silicon.
Data centers, GPU clusters, power delivery, AI factories, and compute infrastructure.
Memory, HBM, foundry, advanced packaging, test equipment, substrates, and semiconductor supply chains.
Optical networking, CPO, lasers, transceivers, optical components, and high-speed interconnects.
Grid upgrades, transformers, capacitors, voltage architecture, and power systems for AI compute.
Equity market positioning, valuation cycles, sector rotation, and trading context.
KOSPI and KOSDAQ companies connected to global technology, AI, semiconductors, and industrial supply chains.