Warren Buffett's stamp of approval helps Japan's Mitsubishi gain investor confidence

Warren Buffett's stamp of approval helps Japan's Mitsubishi gain investor confidence

Warren Buffett. Photographer: Andrew Harrer/Bloomberg

Warren Buffett’s vote of confidence in Japanese trading houses is helping Mitsubishi Corp overcome long-held investor wariness about its complex global business that covers everything from sausages to natural gas, a top executive said.