UPDATE: Jefferies Downgrades Senior Housing Properties Trust to Hold on RIDEA Platform Stabilization Timeline

Jefferies downgraded Senior Housing Properties Trust (NYSE: SNH ) from Buy to Hold. Jefferies commented, "We see increased risk to the SNH story in 2013 given that the company's RIDEA platform will likely take time to stabilize and require significant capex, which we believe could put added pressure on SNH's