Hang Seng Index adds AIA, dumps Foxconn By: MarketWatch May 13, 2011 at 00:04 AM EDT Apple manufacturing partner Foxconn will be dropped from the constituents of the Hang Seng Index, while insurer AIA and diaper maker Hengan will be added. Read More >> Related Stocks: Apple Bank of China Ltd Ad ADR Industrial and Commercial Bank of China Ltd Motorola Solutions