Samsung shifts HBM production majority to HBM4, projecting share gains from 27% to 37% and $10B HBM revenue — bullish for Samsung stock.
Cloud hyperscalers building custom AI ASICs (Google, Amazon, Microsoft) are expanding HBM4 demand beyond just Nvidia, lifting the entire memory chip sector.
SK Hynix's HBM market share falls from 56% to 43% as Samsung wins HBM4 volume first, threatening Hynix's commanding premium.