SK Hynix Inc. signage at the company's office in Seongnam, South Korea, on Tuesday, June 30, 2026. SeongJoon Cho | Bloomberg | Getty ImagesA sell-off in global technology hardware stocks deepened Thursday, with Asian chipmakers tracking Wall Street losses as concerns over further Federal Reserve interest rate hikes, financing of artificial intelligence investments weigh on sentiment.South Korean chip giant SK Hynix plunged over 10%, while rival Samsung Electronics fell 7.1%. Other South Korean c...