NEW YORK ( TheStreet) -- CHANGE IN RATINGSBristol-Myers ( BMY) rated new Hold at Jefferies. Coverage of BMY was started with a Hold rating. $27 price target. Stock is already priced for perfect execution. Cbeyond ( CBEY) upgraded at BofA/Merrill to Neutral from Underperform on more balance risk. Price target raised by a dollar to $13. Dendreon ( DNDN) rated new Outperform at Baird. $48 price target. See significant upside potential ahead of the May 1 PDUFA date. Eli Lilly ( LLY) rated new Buy at Deutsche. $41 price target. Stock trades at a 40% discount to the market. LTX-Credence ( LTXC) initiated at Barclays with an Overweight rating and $5 price target. Spending on test equipment should be higher than expected in 2011. 2010 and 2011 EPS estimates set at 12 and 35 cents, respectively. NRG Energy ( NRG) downgraded at BofA/Merrill to Neutral from Buy on new long term gas price assumptions. Price target set at $24. Southern Copper ( SCCO) upgraded at Deutsche from Hold to Buy. $38 price target. Valuation call, with dividends up and higher moly prices.