<div>US STOCKS-S&P 500 posts biggest drop in month amid Trump impeachment calls</div> <!-- no image --> <div>* Indexes down: Dow 0.5%, S&P 0.8%, Nasdaq 1.5% (New throughout, updates prices, market activity and comments to close)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=CsguXVZ5iRU:aBUGHp0QAc8: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=CsguXVZ5iRU:aBUGHp0QAc8:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=CsguXVZ5iRU:aBUGHp0QAc8:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=CsguXVZ5iRU:aBUGHp0QAc8:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=CsguXVZ5iRU:aBUGHp0QAc8:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/CsguXVZ5iRU" height="1" width="1" alt=""></div> Posted by Reuters