An analyst upgraded Morgan Stanley to a buy. Why we're not ready to follow suit

Shares jumped on Friday after positive Wall Street research and better-than-expected economic data.

An analyst upgraded Morgan Stanley to a buy. Why we're not ready to follow suit

Bing Guan | Bloomberg | Getty Images

Newfound optimism on Morgan Stanley helped its stock close Friday's session at its highest level of the year. Jim Cramer is still unsure what the Club's next move should be.