China's stock market hits record: <img src=http://newsimg.bbc.co.uk/media/images/42978000/jpg/_42978157_chinastocks203ap.jpg> Snippet: Chinese shares have continued rising at a breakneck pace, pushing Shanghai's main stock index through the 4,000 mark for the first time. Shanghai's benchmark CSI 300 index closed up 2.6% at 4,090.57. It has doubled in value this year and quadrupled since the start of 2006. However, some analysts have warned that a stock market bubble is being created. Last week, former Federal Reserve chairman Alan Greenspan warned that the Chinese stock market could undergo a dramatic correction... According to industry figures, 300,000 people a day opened brokerage accounts in China last week... <A HREF="http://news.bbc.co.uk/2/hi/business/6697451.stm" target="_blank">http://news.bbc.co.uk/2/hi/business/6697451.stm</A>