By Maggie Eastland, Yoolim Lee and Dina Bass, Bloomberg News The memory-chip shortages that are roiling the computer, car and device markets will probably persist beyond 2030, according to SK Hynix Inc. Chief Executive Officer Kwak Noh-Jung. Customers are signing long-term contracts because "they believe that the shortage situation will last for longer," Kwak said in his first-ever English language interview, following a record-setting U.S. stock offering by the South Korean company on Friday.