<div>'Black Swan' index flashes yellow: Wall Street is not scared</div> <!-- no image --> <div>The options-based Black Swan index may be signaling surging demand from investors for protection against a stock market crash, but Wall Street analysts see little reason to panic.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ArCbKINzm_A:lqjH6B43m4g: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=ArCbKINzm_A:lqjH6B43m4g:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ArCbKINzm_A:lqjH6B43m4g:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ArCbKINzm_A:lqjH6B43m4g:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ArCbKINzm_A:lqjH6B43m4g:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/ArCbKINzm_A" height="1" width="1" alt=""></div> Posted by Reuters