UPDATE 2-Plus500 shares jump on buyback, new customer additions <!-- no image --> <div>* Shares jump 20% to top FTSE 250 (Recasts, adds share move, analyst comment)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=VGPn_3WY3Fw:O-azBspWHgk: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=VGPn_3WY3Fw:O-azBspWHgk:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=VGPn_3WY3Fw:O-azBspWHgk:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=VGPn_3WY3Fw:O-azBspWHgk:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=VGPn_3WY3Fw:O-azBspWHgk:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/VGPn_3WY3Fw" height="1" width="1" alt=""></div> Posted by Reuters