By Max A. Cherney, Stephen Nellis and Heekyong Yang SAN JOSE, California, March 16 (Reuters) - South Korea's SK Group Chairman Chey Tae-won said on Monday the global chip wafer ‌shortage is likely to persist until 2030, as demand driven by artificial intelligence continues ‌to outpace supply. Speaking to reporters on the sidelines of Nvidia's GTC Conference in San Jose, California, Chey said that SK Hynix ​is reviewing a potential U.S. ADR listing to broaden its global investor base, while its CEO may un ...