NEW YORK ( TheStreet) -- CHANGE IN RATINGSAirgas ( ARG) downgraded at Jefferies from Buy to Hold. $60 price target. Valuation call, even though the company remains on track for above-average growth and free cash flow. Bed, Bath & Beyond ( BBBY) downgraded at FBR from Market Perform to Underperform. $38 price target. Company is facing difficult comps and growth should decelerate. Dr. Pepper Snapple ( DPS) upgraded at UBS from Neutral to Buy. $42 price target. Estimates also boosted, as fundamentals remain strong and the company will be buying back stock. Dr. Pepper Snapple ( DPS) price target boosted at Barclays. DPS shares now seen reaching $38, up from $33. 2011 EPS estimates introduced at $2.70. Maintain Overweight rating. Unum Group ( UNM) rated new Buy at Goldman Sachs. Company is positioned for growth along with wages and payrolls. Management could also announce a buyback program soon. Walter Investment Management ( WAC) downgraded at Credit Suisse to Neutral from Outperform on valuation. 2010 and 2011 EPS estimates set at $1.60 and $1.90, respectively. Price target held at $15. Yahoo! ( YHOO) downgraded at Benchmark from Buy to Hold. $18 price target. Stock could prove to be a value trap, as the company could lose market share.