Shares of DaVita (DVA -12%) get hit on a Citigroup downgrade to hold on valuation, citing new...

|About: DaVita HealthCare Partners ... (DVA)|By:, SA News Editor

Shares of DaVita (DVA -12%) get hit on a Citigroup downgrade to hold on valuation, citing new risk factors and uncertainty from recent legal issues in Colorado. Piper Jaffray is defending the shares however, saying the weakness has created a buying opportunity.