Investor enthusiasm stems from the fact that SK Hynix has morphed into a golden goose. Its the worlds second-largest supplier of dynamic random-access memory chips, or DRAM, and the biggest when it comes to the high-bandwidth ones that are paired with Nvidia Corp.s graphics processing units.

SK Hynix, gigante sul-coreana de chips de memória, capta US$ 26,5 bilhões nos EUA

The South Korean memory-chip maker raised $26.5 billion late Thursday.