NEW YORK ( TheStreet) -- CHANGE IN RATINGS:Apollo Commercial Real Estate Finance ( ARI) upgraded to buy at TheStreet Ratings. Community Health Systems ( CYH) downgraded at BMO to underperform from market perform, BMO Capital Markets said. $35 price target. Near term downside risk leaves shares less attractive. Fossil ( FOSL) downgraded at Benchmark to hold from buy, Benchmark said. $105 price target. Guidance expected to be lowered. 1st United Bancorp ( FUBC) upgraded to buy at TheStreet Ratings. Graphic Packaging ( GPK) upgraded at Deutsche Bank to buy from hold, Deutsche Bank said. $8.50 price target. Growing volumes. Helmerich & Payne ( HP) upgraded at Guggenheim to buy from neutral, Guggenheim said. $80 price target. Still cheap following YTD performance. KeyCorp ( KEY) downgraded at Stifel to sell from hold, Stifel Nicolaus said. No material EPS upside. Nike ( NKE) upgraded at JP Morgan to overweight from neutral, JP Morgan said. Multi- year story unfolding. Primerica ( PRI) downgraded at KBW to market perform from outperform, KBW said. $35 price target. Valuation call. Patterson UTI ( PTEN) upgraded at Guggenheim to buy from neutral, Guggenheim said. $30 price target. Still cheap following YTD performance. Charles Schwab ( SCHW) downgraded at Citigroup to sell from neutral, Citigroup said. $14 price target. Lack of operating leverage for 2013. Sigma Aldrich ( SIAL) downgraded at UBS to sell from neutral, UBS said. $70 price target. Valuation / growth disparity. Tesoro Corporation ( TSO) upgraded at Bank of America Merrill Lynch to buy from neutral, Bank of America said. $66 price target. Reaping benefits from the Bakken. Wells Fargo ( WFC) upgraded at Stifel Nicolaus to buy from hold, Stifel Nicolaus said. Strong ROA yet trades at a discount.