Alberto-Culver upgraded at Bear: ACV was upgraded from Peer Perform to Outperform, Bear Stearns said. Latest checks suggest a strong U.S. launch for Nexxus. Company also remains a potential takeover target. $50 price target. A.G. Edwards upgraded at Wachovia: Wachovia said it is upgrading AGE to Market Perform after sizable underperformance versus its peers. Also sees catalyst upcoming from mini restructuring. Valuation range between $44 and $46. Alltel downgraded at Morgan Stanley: Morgan Stanley said it is lowering its rating on AT to Equalweight with a $69 target price. Near term overhangs persist. Stock offers only 3.7% upside potential to its $69 target price. Dick's Sporting Goods upgraded at Deutsche Bank: Deutsche Bank said it was upgrading DKS from Hold to Buy on increased earnings visibility and free cash flow growth following Q4 results. Maintained $45 target. First Data upgraded at Deutsche Bank: Deutsche Bank said it was upgrading FDC from Hold to Buy and raising the target by $8 to $55 on favorable risk-reward scenario. Magna International downgraded at JP Morgan: MGA was downgraded from Overweight to Neutral, JP Morgan said. Company to see sales deceleration over the next year or two because of its exposure to the Big 3. Mosaic downgraded at JP Morgan: MOS was downgraded from Overweight to Neutral, JP Morgan said. Valuation does not reflect risk of global potash pricing. Multi-year cycle appears to be maturing. Public Storage upgraded at Deutsche Bank: Deutsche Bank said it is upgrading PSA to Buy from Hold. Sees positives from deal with Shugard. Increased target price to $92. Rite Aid downgraded at JP Morgan: RAD was downgraded from Overweight to Neutral, JP Morgan said. Prescription sales have been soft, and the company has limited near-term earnings visibility. AT&T upgraded at Morgan Stanley: Morgan Stanley said it is raising its rating on T to Overweight from Equalweight. Target upped to $31 a share from $26 a share.