JPMorgan's shares pulled back 4% on Friday to close at $43.21. The stock has now returned 31% year-to-date, following a 20% decline during 2011.
In highlights from this week's trading diary and posts, Kass tells us about his trade of the week, as well as how J.C.Penney upgraded.
The Dow Jones Industrial Average ended the week near records following a rally in banking and energy stocks earlier in the week.
The Dow retreated from records as banks reversed course after days of big gains.