Hong Kong’s IPO rally under scrutiny, as ZTE hits new U.S. headwinds

Hong Kong's stock regulator has warned IPO underwriters over the declining qualiy of new listing applications. Is this a red flag for the city's booming IPO market, or just the usual regulatory caution? And the U.S. could fine telecoms equipment maker ZTE $1 billion for bribery in Brazil. Why does Washington think it can force ZTE to pay such a large amount?