AmEx quarterly profit falls 16% on higher rewards program spending <!-- no image --> <div>Credit card issuer American Express Co posted a 16% fall in fourth-quarter profit on Friday, as it spent more on its rewards program.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=xORky_zRSuY:hzY04RaieKg: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=xORky_zRSuY:hzY04RaieKg:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=xORky_zRSuY:hzY04RaieKg:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=xORky_zRSuY:hzY04RaieKg:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=xORky_zRSuY:hzY04RaieKg:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/xORky_zRSuY" height="1" width="1" alt=""></div> Posted by Reuters