southern copper

StreetInsider.com Notable Analyst Rating Changes: UPGRADES: Merrill Lynch upgrades Southern Copper (NYSE: PCU) from Underperform to Neutral.

UBS upgrades Massey Energy (NYSE: MEE) from Neutral to Buy. UBS upgrades Arch Coal (NYSE: ACI) from Neutral to Buy.

Credit Suisse upgrades Teekay (NYSE: TK) from Neutral to Outperform.

StreetInsider.com Notable Analyst Rating Changes: UPGRADES: Stifel Nicolaus upgrades Wachovia (NYSE: WB) from Hold to Buy with a $40 price target.

RBC Capital upgrades Agrium (NYSE: AGU) from Sector Perform to Outperform. Price target $115. Goldman Sachs upgrades Hess Corporation (NYSE: HES) from Neutral to Buy.

Lehman Bros. upgrades SLM (NYSE: SLM) from Equalweight to Overweight, citing more positive outlook from recently passed bill (in Gov't).

Price target increased from $27 to $30.

StreetInsider.com Notable Analyst Rating Changes: UPGRADES: Morgan Stanley upgrades Boeing (NYSE: BA) from Equalweight to Overweight.

Credit Suisse upgrades Exxon Mobil (NYSE: XOM) from Neutral to Outperform. Price target $102. Citi upgrades Eastman Kodak Co (NYSE: EK) from Sell to Hold.

Price target $20.