UPDATE 1-Centrica, Barclays weigh on FTSE 100; virus fears persist <!-- no image --> <div>* NMC dives after SocGen double downgrade (Adds news items, analyst comments, updates share prices)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=G414RX5rkbE:nlep33U_A_M: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=G414RX5rkbE:nlep33U_A_M:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=G414RX5rkbE:nlep33U_A_M:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=G414RX5rkbE:nlep33U_A_M:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=G414RX5rkbE:nlep33U_A_M:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/G414RX5rkbE" height="1" width="1" alt=""></div> Posted by Reuters