UPDATE 1-European shares pull back as second wave concerns rise <!-- no image --> <div>* Siemens Gamesa falls on CEO change, warning of loss (Adds comments, details, updates prices)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=nq40RogBZBM:0aewYId7Vdk: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=nq40RogBZBM:0aewYId7Vdk:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=nq40RogBZBM:0aewYId7Vdk:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=nq40RogBZBM:0aewYId7Vdk:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=nq40RogBZBM:0aewYId7Vdk:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/nq40RogBZBM" height="1" width="1" alt=""></div> Posted by Reuters