Drop comes after South Korean company SK Hynix’s results undershot investors’ expectations Business live – latest updates Shares in companies linked to AI have plunged further after disappointing results from the South Korean chipmaker SK Hynix, sending the country’s stock market tumbling for the second day in a row. Seoul’s Kospi index, which is dominated by semiconductor manufacturers, slid by as much as 12.6% at one point on Wednesday, following on from a near 11% slump the previous day,...