Ratings on (STN) (AVEO) (LLNW) (ANN) (EPM) (VTR) Upgraded

Ratings on Stantec (NYSE:STN), AVEO Pharma (NASDAQ:AVEO), Limelight Networks (NASDAQ:LLNW), AnnTaylor (NYSE:ANN), Evolution Petroleum (AMEX:EPM) and Ventas (NYSE:VTR) were upgraded by analysts.

DA Davidson upgraded Stantec (STN) from a "Neutral" rating to a "Buy" rating.

MP Advisors upgraded AVEO Pharma (AVEO) from an "Underperform" rating to a "Market Perform" rating. They raised their price target on the company from $11 to $20.

Canaccord Genuity upgraded NetApp (NTAP) from a "Hold" rating to a "Buy" rating. They raised their price target on the company from $58.50 to $62.

Dougherty & Company upgraded Limelight Networks (LLNW) from a "Sell" to "Neutral." They have a price target of $5.50 on the company.

Wedbush upgraded AnnTaylor (ANN) from a "Neutral" rating to and "Outperform" rating. They increased their price from $27 to $38 on the company.

Global Hunter Securities upgraded Evolution Petroleum (EPM) from a "Neutral" rating to a "Buy" rating. They their price target from $8.50 to $12.50 on the company.

Robert W. Baird upgraded Ventas (VTR) from an "Underperform" rating to a "Neutral" rating. They raised their price target from $48 to $50 on the company.