IAMGOLD Corp (IAG), AK Steel Holding Co. (AKS), Chesapeake Energy (CHK), Copano Energy, L.L.C. (CPNO), Hess Corp (HES), ArcelorMittal (MT) and Exxon Mobil (XOM) had ratings on them adjusted by analysts.
Macquarie upgraded AK Steel Holding Co. (AKS) from an Underperform rating to a Neutral rating.
Stifel Nicolaus upgraded Chesapeake Energy (CHK) from a Hold rating to a Buy rating.
Societe Generale upgraded IAMGOLD Corp. (IAG) from a Sell rating to a Hold rating.
RBC Capital downgraded Copano Energy, L.L.C. (CPNO) from an Outperform rating to a Sector Perform rating.
Capital One downgraded Hess Corp. (HES) from an Add rating to a Neutral rating.
HSBC downgraded ArcelorMittal (MT) from a Neutral rating to an Underweight rating.
Macquarie downgraded Exxon Mobil (XOM) from an Outperform rating to a Neutral rating.