UPDATE 2-Temasek grim on returns outlook after slowest portfolio gain in 3 years <!-- no image --> <div>* Cautious on investment outlook in short term (Recasts; Adds comments, quotes from economist)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=mWPXN-ODDbc:Hs9FkE179j4: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=mWPXN-ODDbc:Hs9FkE179j4:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=mWPXN-ODDbc:Hs9FkE179j4:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=mWPXN-ODDbc:Hs9FkE179j4:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=mWPXN-ODDbc:Hs9FkE179j4:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/mWPXN-ODDbc" height="1" width="1" alt=""></div> Posted by Reuters