China stocks fall as investors see less chance of quick recovery in economy <!-- no image --> <div>* U.S. Fed Chair warns "extended period" of weak economic growth<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=PoWKSPWp2Gg:iiYIBidznoE:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=PoWKSPWp2Gg:iiYIBidznoE:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=PoWKSPWp2Gg:iiYIBidznoE:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=PoWKSPWp2Gg:iiYIBidznoE:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=PoWKSPWp2Gg:iiYIBidznoE:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/PoWKSPWp2Gg" height="1" width="1" alt=""></div> Posted by Reuters