<div>UPDATE 2-Circuit breakers trip, shares soar as China's Nasdaq-style bourse debuts</div> <!-- no image --> <div>* Frenzy draws attention away from main board (Adds background, additional investor comments)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=YUQh5m1qzUs:C11DlEJj3NE: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=YUQh5m1qzUs:C11DlEJj3NE:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=YUQh5m1qzUs:C11DlEJj3NE:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=YUQh5m1qzUs:C11DlEJj3NE:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=YUQh5m1qzUs:C11DlEJj3NE:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/YUQh5m1qzUs" height="1" width="1" alt=""></div> Posted by Reuters