UPDATE 4-Delta buys stake in Korean Air, seeks to expand in Asia <!-- no image --> <div>Delta Air Lines Inc said on Thursday it had acquired a 4.3% stake in joint-venture partner Korean Air Lines Co Ltd's parent company with a view toward expanding across Asia.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=G2Swv73MCxU:nXUzRLUYM8Y: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=G2Swv73MCxU:nXUzRLUYM8Y:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=G2Swv73MCxU:nXUzRLUYM8Y:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=G2Swv73MCxU:nXUzRLUYM8Y:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=G2Swv73MCxU:nXUzRLUYM8Y:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/G2Swv73MCxU" height="1" width="1" alt=""></div> Posted by Reuters