4 Min Read SHANGHAI (Reuters) - As China’s blue-chip index approaches an all-time high, growing fears about bubbles developing in some parts of the country’s stock market are prodding some investors to seek bargains in Hong Kong. FILE PHOTO: Investors stand in front of an electronic board showing stock information on the first trading day after the week-long Lunar New Year holiday at a brokerage house in Shanghai, China, February 15, 2016. REUTERS/Aly Song Retail investors have poured money into stocks via mutual funds, pushing valuations in sectors such as consumer, healthcare and new en...