SEOUL, Jan. 28 (Yonhap) -- SK hynix Inc. has secured over two-thirds of high-bandwidth memory (HBM) supply orders from U.S. tech giant Nvidia Corp. to be used in producing the Vera Rubin artificial intelligence (AI) platform this year, sources said Wednesday. According to the sources, Nvidia has allocated about 70 percent of its HBM4 demand for the advanced AI architecture to SK hynix, up from the market's previous estimate of around 50 percent, for 2026. The move comes as the South Korean chipm...