HONG KONG -- Mark Tucker, the respected chief executive of AIA Group, surprised financial markets on March 13 when he announced that he was leaving one of the world's largest life insurers by market value for HSBC, the struggling international bank. AIA's Hong Kong-listed shares fell 2.98% to 48.8 Hong Kong dollars that day, while HSBC shares rose 2.1%.

Company in focus
AIA's new chief has big challenges -- and big shoes to fill
Insurer needs growth in China and a digital strategy to maintain its momentum