SAN FRANCISCO (Reuters) - Snap Inc stock rose on Monday after the Snapchat owner received its first "buy" rating from a Wall Street analyst following a $3.4 billion public listing this month that raised the eyebrows of many on Wall Street.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=BbI2bBkKZhM:ocpzwtqo_7Q: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=BbI2bBkKZhM:ocpzwtqo_7Q:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=BbI2bBkKZhM:ocpzwtqo_7Q:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=BbI2bBkKZhM:ocpzwtqo_7Q:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=BbI2bBkKZhM:ocpzwtqo_7Q:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/BbI2bBkKZhM" height="1" width="1" alt="" />