US STOCKS-Wall St plunges on fears of coronavirus pandemic <!-- no image --> <div>* Health insurers fall after Sanders' Nevada victory (Updates to close, adds commentary)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=BZPNDCV_Dlc:FtHah_UAdRc: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=BZPNDCV_Dlc:FtHah_UAdRc:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=BZPNDCV_Dlc:FtHah_UAdRc:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=BZPNDCV_Dlc:FtHah_UAdRc:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=BZPNDCV_Dlc:FtHah_UAdRc:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/BZPNDCV_Dlc" height="1" width="1" alt=""></div> Posted by Reuters