UPDATE 1-Alibaba files for Hong Kong listing - source <!-- no image --> <div>Chinese e-commerce giant Alibaba Group Holding Ltd has filed confidentially for a Hong Kong listing, according to one source familiar with the matter.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=bPXIbd2rFis:9mkyTznQyFE: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=bPXIbd2rFis:9mkyTznQyFE:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=bPXIbd2rFis:9mkyTznQyFE:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=bPXIbd2rFis:9mkyTznQyFE:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=bPXIbd2rFis:9mkyTznQyFE:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/bPXIbd2rFis" height="1" width="1" alt=""></div> Posted by Reuters