IDEX Corporation(NYSE:IEX): After IDEX reported stronger than expected Q4 results, Wells Fargo believes that the company’s core growth trends continue to be favorable and it maintains an Outperform rating on the stock.

K12, Inc.(NYSE:LRN): After K12 reported lower than expected Q2 EPS but higher than expected enrollment, Barrington expects the company’s margins to increase going forward. The firm thinks that the company’s market positioning is strong and it reiterates a $30 target and Outperform rating.

Abiomed Inc.(NASDAQ:ABMD): Wedbush said shares of Abiomed are down on concerns regarding future Impella reimbursement. The firm said Impella’s overall positive dataset is growing and supports reimbursement and notes that concerns appear outdated and given recently modified clinical guidelines. The firm reiterates its Outperform rating. Rodman & Renshaw said there was a policy note out today that highlights increasing pressure on reimbursement for the Abiomed’s Impella device. The firm reiterates its Underperform rating and $13 price target.

Convergys Corporation(NYSE:CVG): Citigroup said Convergys Q4 results were strong and its 2012 outlook appears conservative. The firm continues to see value in shares and reiterates its Buy rating.

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To contact the reporter on this story: Derek Hoffman at staff.writers@wallstcheatsheet.com

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