Filings
NVDA: new Form 4 insider filing on EDGAR
Watchlist matchNVDA
A Form 4 — the disclosure corporate insiders file when they trade their own company’s stock — was filed for NVIDIA Corp on Thursday. Readster flags EDGAR filings for watchlist names within the hour and links straight to the filing index; the brief reports the filing and leaves the reading of it to you.
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Memory tightness deepens: SK Hynix commits $38bn to new fabs as shortages ripple downstream
Watchlist matchHBM / memory supply
SK Hynix said it will invest $38 billion in new memory-chip plants as AI demand keeps pushing prices up. The squeeze is visible downstream: reporting this week described roughly $1 billion of iPhone 18 Pro chips sitting on shelves awaiting packaging because of DRAM shortages, while Samsung unveiled three next-generation memory technologies for AI data centers — zHBM among them.
China’s homegrown chipmaking-tool push moves from roadmap to production
Watchlist matchUS–China export controls
Reuters reported that China has begun producing home-grown immersion DUV lithography machines, and an examination of Beijing’s tool roadmaps put early output at around five machines a year, with an EUV prototype still far from producing chips. Memory maker CXMT — targeting 30% of the DRAM market by 2030 with a sixth mega-fab — remains bottlenecked by access to advanced chipmaking tools, the exact constraint export controls are designed to hold.