<div>UPDATE 2-S.Africa's Woolworths hit by weak Australia, December results</div> <!-- no image --> <div>Half-year earnings at South Africa's Woolworths could drop by as much as 20%, the retailer warned on Monday, sending its shares down more than 4%.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ZF4VS9zdfPA:QOSN0dMSAvU: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=ZF4VS9zdfPA:QOSN0dMSAvU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ZF4VS9zdfPA:QOSN0dMSAvU:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=ZF4VS9zdfPA:QOSN0dMSAvU:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=ZF4VS9zdfPA:QOSN0dMSAvU:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/ZF4VS9zdfPA" height="1" width="1" alt=""></div> Posted by Reuters