NEW YORK (TheStreet) -- RATINGS CHANGES

Bank of America(BAC) - Get Report was upgraded at Deutsche Bank to buy from hold. Reflects market sensitivity, and bank is well levered to pickup in capital markets revenues, higher interest rates and improving U.S. economy, Deutsche Banks said. Twelve-month price target is $18.

Dominion Diamond (DDC) was upgraded to hold at TheStreet Ratings.

Owens & Minor(OMI) - Get Report was initiated at Jefferies with a hold rating. Increasing client penetration and customized deliveries will keep U.S. growth at modest pace, Jefferies said. Twelve-month price target is $36.

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Premier(PINC) - Get Report was initiated at Jefferies with a buy rating. Well-positioned to capitalize on the ongoing shift to population health management with large client base and access to large data, Jefferies said. Demand should grow as health care reform progresses, Jefferies said. Twelve-month price target is $36.

TransAlta(TAC) - Get Report was upgraded to hold at TheStreet Ratings.

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This article was written by a staff member of TheStreet.