UPDATE 1-UBS to revamp investment bank in effort to lift flagging earnings <!-- no image --> <div>Switzerland's UBS plans another shake-up of its investment banking arm to help boost earnings and curb costs after tough market conditions precipitated a performance dip.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=TPrvwLhiLY8:jAYFRh4NCys: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=TPrvwLhiLY8:jAYFRh4NCys:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=TPrvwLhiLY8:jAYFRh4NCys:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=TPrvwLhiLY8:jAYFRh4NCys:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=TPrvwLhiLY8:jAYFRh4NCys:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/TPrvwLhiLY8" height="1" width="1" alt=""></div> Posted by Reuters