Morgan Stanley (MS) - Get Report CEO John Mack "has a lot of credibility," said Jim Cramer on Monday's "Stop Trading!" segment on CNBC. "Mack recognizes how perilous the situation was, but you know, he pulled it out of the fire."

As for his recent comments about former

Merrill Lynch

CEO John Thain, Cramer said that "only super rich people would say I'm being too hard on John Thain."

Cramer recommended that investors take another look at

Aflac

(AFL) - Get Report

, which yields 5%. "I think AFL is radically oversold," he said.

He also mentioned that Goldman Sachs has taken

U.S. Steel

(X) - Get Report

off its "conviction sell" list.

At the time of publication, Cramer was long Morgan Stanley.

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