Almost a year late, investors in Hong Kong can now buy stocks on the Shenzhen Stock Exchange. HK has long been a traditional gateway to the rest of mainland China. This Hong Kong-Shenzhen Connect, is an important milestone in further opening up the Chinese market. Shenzhen is Asia's busiest exchange with a monthly turnover of more than a trillion dollars. To look into this further, Paul Lynch, of Itarle, which is active on exchanges in the region, joined Share Radio Breakfast.