UPDATE 1-HKEX chief says derivatives trading glitch caused by software bug <!-- no image --> <div>* HKEX says derivatives market operating smoothly (Adds Li quote, details)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=zTTWAb66CE0:mRTdxY39cAA: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=zTTWAb66CE0:mRTdxY39cAA:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=zTTWAb66CE0:mRTdxY39cAA:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=zTTWAb66CE0:mRTdxY39cAA:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=zTTWAb66CE0:mRTdxY39cAA:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/zTTWAb66CE0" height="1" width="1" alt=""></div> Posted by Reuters