Some First Class stamps l arginine supplement ranbaxy lab Some in Hong Kong lamented the loss of a lucrative Alibaba IPO, noting that the exchange's average trading volumes last year were 39 percent below a 2007 peak. Slowing Chinese economic growth and lack of big stock listings have been a drag on Hong Kong in the last two years. To reduce an equity market reliance, the Hong Kong exchange last year bought the London Metal Exchange for $2.1 billion, betting on China's hunger for commodities, but the benefits of that acquisition are only expected to fully kick in from 2015.