Leo Zhang/Shanghai Daily news

Chinese stocks slumped yesterday after a media report said regulators may soon introduce short selling into China's bourses, fanning concerns of mounting risks in a fledging industry.
The Shanghai Composite Index, which covers yuan-denominated A shares and foreign-currency B shares, tumbled 2.21 percent to 1,097.16.
While the A-share index plunged 2.21 percent to 1,153.38, the B-share index slided 1.57 to 60.36.
The Shenzhen Composite Index, which tracks the smaller mainland market,  retreated 2.77 percent to 269.72.
"Although short selling can provide investors with alternative ways of financing, in the short term it may increase risks to a market used to buying on dips and unloading (selling) on advances," said Lu Chengde, a Guosen Securities Co trader.
The Shanghai Stock Exchange may unveil a short-selling system, which has been approved by the securities regulator after listed companies complete their shareholding reforms, the China Business News reported yesterday, citing an unnamed exchange official.
Avian flu outbreaks
Short selling allow investors to book profits by selling securities that are "borrowed" from the owners of those equities at higher prices and later buying them back at lower prices to return to the owners.
Baoshan Iron & Steel Co, China's biggest steelmaker, slid 1.99 percent to 3.95 yuan (49 US cents). China United Telecommunications Corp, the country's No. 2 mobile phone operator, lost 1.20 percent at 2.48 yuan.
Shares of poultry processing firms slumped after avian flu outbreaks were confirmed in Anhui Province and the central province of Hunan.
Shanghai Dajiang (Group) Stock Co, China's largest publicly traded poultry breeder, slumped 4.96 percent to 2.68 yuan. Haikou Agriculture & Industry & Trade (Luoniushan) Co tumbled 3.09 percent to end at 1.88 yuan.