Yamana (AUY) (COP) (EXC) (WNR) (GORO) (HAL) (IAG) (RDS-A) Ratings Changes

Yamana Gold (AUY), ConocoPhillips (COP), Exelon Co. (EXC), Western Refining, Inc. (WNR), Gold Resource Co. (GORO), Halliburton (HAL), IAMGOLD Corp (IAG) and Royal Dutch Shell (RDS-A) had ratings on them adjusted by analysts.

Scotia Capital upgraded Yamana Gold (AUY) from a "Sector Perform" rating to an "Outperform" rating.

Goldman Sachs (GS) upgraded ConocoPhillips (COP) from a "Sell" rating to a "Neutral" rating.

Citigroup (C) upgraded Exelon Co. (EXC) from a "Sell" rating to a "Neutral" rating.

Goldman Sachs upgraded Western Refining, Inc. (WNR) from a "Neutral" rating to a "Buy" rating.

Global Hunter Securities downgraded Gold Resource Co. (GORO) from an "Accumulate" rating to a "Neutral" rating. They have a price target of $17.50 on the company.

Global Hunter Securities downgraded Halliburton (HAL) from an "Accumulate" rating to a "Neutral" rating. They have a price target of $38.00 on the company.

Scotia Capital downgraded IAMGOLD Corp (IAG) from an "Outperform" rating to a "Sector Perform" rating.

Goldman Sachs downgraded Royal Dutch Shell (RDS.A) from a "Neutral" rating to a "Sell" rating.