Australia, NZ shares tiptoe higher on trade optimism <!-- no image --> <div>* Trade deal hopes lift shares, but investors on edge - Analyst<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=m7zDpjvTS3c:YjG2UIpm1aA: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=m7zDpjvTS3c:YjG2UIpm1aA:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=m7zDpjvTS3c:YjG2UIpm1aA:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=m7zDpjvTS3c:YjG2UIpm1aA:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=m7zDpjvTS3c:YjG2UIpm1aA:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/m7zDpjvTS3c" height="1" width="1" alt=""></div> Posted by Reuters