These are the top pre-market analyst downgrades or cautious research calls we have seen from Wall Street this Thursday morning:

Conoco Philips (COP) Started as Sell at Societe Generale.
Corporate Executive Board (EXBD) Cut to Underperform at Baird.
Gaylord Entertainment Co. (GET) Cut to Underperform at FBR.
Neustar (NSR) Cut to Hold at Deutsche Bank.
Public Storage (PSA) Started as Underperform at KBW.
Rangold Resources (GOLD) Cut to Hold at Citigroup.

JON C. OGG