(Updated - March 7, 2013 8:11 AM EST)

Just weeks after Stifel Nicolaus upgraded the Commonwealth REIT (NYSE: CWH) ...

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Analyst Comments Downgrades Mergers and Acquisitions

CommonWealth REIT (CWH) Closes 34.5M OfferingMarch 5, 2013 9:29 AM CommonWealth (CWH) Reports Denial of Complaint Filed by Corvex, RelationalMarch 5, 2013 6:20 AM CommonWealth REIT (CWH) Announces Full Overallotment Exercised in 30M OfferingMarch 1, 2013 7:08 AM Stifel Nicolaus Upgrades Commonwealth REIT (CWH) to HoldFebruary 28, 2013 7:37 AM