Blue Buffalo Pet Products (BUFF) shares were up more than 4% premarket after analysts at Citi added the pet products company to its "top pick" list saying that the company offers "a terrific opportunity to own the best US Food growth story at an attractive valuation."

(What will move markets this quarter and how should investors position themselves ahead of time? Jim Cramer sat down with four of TheStreet's top columnists recently to get their views.Click here to listen to his latest Trading Strategies roundtable with them and read their advice for stocks, bonds, forex and gold.)