TOKYO (Reuters) - Japan's Nintendo Co Ltd booked an operating loss in the first quarter, hurt by unfavorable currency rates although hopes for long-term growth are running high on the worldwide success of Pokemon GO.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=lwzFlMlCEdc:TMtCWxHSM90:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=lwzFlMlCEdc:TMtCWxHSM90:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=lwzFlMlCEdc:TMtCWxHSM90:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=lwzFlMlCEdc:TMtCWxHSM90:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=lwzFlMlCEdc:TMtCWxHSM90:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/lwzFlMlCEdc" height="1" width="1" alt="" />