UPDATE 2-FTSE 100 slips on uncertain U.S.-China trade prospects <!-- no image --> <div>* Mid-cap Senior slips after Boeing 737 MAX faces new setback (Adds news items, analyst comment, updates to closing prices)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=pLFYSJ8AIVU:wWWyldLVtHU: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=pLFYSJ8AIVU:wWWyldLVtHU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=pLFYSJ8AIVU:wWWyldLVtHU:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=pLFYSJ8AIVU:wWWyldLVtHU:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=pLFYSJ8AIVU:wWWyldLVtHU:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/pLFYSJ8AIVU" height="1" width="1" alt=""></div> Posted by Reuters