<div>RPT-COLUMN- U.S. aluminium's negative price puzzle as premium crashes: Andy Home</div> <!-- no image --> <div>* CME Midwest Aluminium Premium contract: https://tmsnrt.rs/2AcEaoK<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ttwDMwzSeBQ:Go-sjdl9_28: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=ttwDMwzSeBQ:Go-sjdl9_28:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ttwDMwzSeBQ:Go-sjdl9_28:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ttwDMwzSeBQ:Go-sjdl9_28:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ttwDMwzSeBQ:Go-sjdl9_28:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/ttwDMwzSeBQ" height="1" width="1" alt=""></div> Posted by Reuters