SK hynix (SKHY) is trading down at $178.25 (-2.36%), as of the latest quote. It operates in the sector.
SK Hynix Inc., stylized SK hynix, is a South Korean semiconductor company that manufactures dynamic random-access memory (DRAM) chips and flash memory chips. SK Hynix is one of the world's largest semiconductor vendors, and, along with Samsung Electronics and Micron, one of the "Big Three" memory manufacturers.