CHICAGO (Reuters) - Wal-Mart Stores Inc is in talks with several mobile wallet companies to offer more payment options in its Wal-Mart Pay app, an executive at the world's largest retailer said, after signing up JPMorgan Chase &amp; Co last week.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=bM1-HbDWRMA:8zTQmi4ydH8: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=bM1-HbDWRMA:8zTQmi4ydH8:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=bM1-HbDWRMA:8zTQmi4ydH8:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=bM1-HbDWRMA:8zTQmi4ydH8:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=bM1-HbDWRMA:8zTQmi4ydH8:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/bM1-HbDWRMA" height="1" width="1" alt="" />