NEW YORK ( TheStreet) -- CHANGE IN RATINGSAlbermarle ( ALB) was upgraded at Goldman Sachs to buy. Valuation call, as the stock is already pricing in lower near-term growth, Goldman said. Air Products ( APD) was upgraded at Goldman Sachs to buy. Company is leveraged to an eventual economic recovery, Goldman said. Berry Plastics Group ( BERY) was initiated with a buy rating at Citigroup. $18 price target. Classic cash and deleveraging story at the right price, Citi said. Berry Plastics was initiated with an outperform rating at Bank of America/Merrill Lynch. $20 price target. Company can gain market share, as new products drive growth, BofA/Merrill said. Berry Plastics was initiated with an outperform rating at Credit Suisse. $20 price target. Company offers growth at an attractive price, Credit Suisse said. C&J Energy ( CJES) was downgraded at JP Morgan to neutral. Expect E&P customers to defer activity and orders into 2013, JP Morgan said. 3D Systems ( DDD) was upgraded at Piper Jaffray from neutral to overweight. $55 price target. 3D printing market should continue to experience strong secular growth, Piper Jaffray said. Dow Chemical ( DOW) was upgraded at Goldman Sachs to buy. Stock has a solid dividend, and earnings expectations are low, Goldman said. EMC ( EMC) was initiated with a hold rating at Craig-Hallum. $28 price target. Company is leveraged to slower potential growth, Craig-Hallum said. Eaton Vance ( EV) was upgraded at BofA/Merrill from underperform to neutral. $32 price target. Net flows are improving, given the attraction of the company's tax-managed products, BofA/Merrill said. F5 Networks ( FFIV) was upgraded at Goldman Sachs from neutral to buy. $106 price target. Consensus estimates could begin to move higher after the company's analyst meeting this week, Goldman said. Fusion-IO ( FIO) was upgraded at Craig-Hallum from sell to buy. New analyst believes the company is a leader that's in the early stages of growth. $32 price target. Lumber Liquidators ( LL) was downgraded at Stifel Nicolaus from hold to sell. Stock trades at a premium valuation and recent growth is not likely sustainable, Stifel Nicolaus said.