THE Shenzhen stock exchange has recorded a turnover of more than 90 billion yuan (about HK$120.6 billion at the official rate) for the first nine months of this year, according to a Wen Wei Po report. The figure represent an increase of more than 100 per cent compared with the turnover of 43.8 billion yuan for the whole of last year, according to a Shenzhen stock exchange official. Total market capitalisation now stood at about eight billion yuan, the paper said. The official said the exchange, now with 383 members throughout China, would accelerate the development of Shenzhen's securities market. This would include expansion of the B-share market and improvement of information flows between the exchange and markets in other cities. The official also said the exchange wanted to set up a central clearing company by year-end. Other developments would include the establishment of a more adequate framework of rules and regulations, the expansion of transaction volume, and the introduction of new products. The exchange would also strengthen its control over listed companies and the market and speed up the development of the securities market's hardware.