News roundup: markets and Asia

From the BBC World Service: The chief executive of the South Korean firm Hyundai said that the White House phoned him personally to apologize for an immigration raid at a massive battery factory in Georgia in September. More than 300 South Korean workers were detained and later sent back to South Korea, stoking tensions between the two nations. Plus, China has imposed a ban on all imports of Japanese seafood amid a growing dispute between Asia's two biggest economies