UPDATE: Citi Cuts a Number of MLPs with Crude and Nat-Gas Storage Exposure Apr 16, 2013 08:55AM
Citi Downgrades PAA Natural Gas Storage, L.P. (PNG) to Neutral Apr 16, 2013 07:57AM
Citi Upgrades PAA Natural Gas Storage, L.P. (PNG) to Buy Nov 19, 2012 07:51AM
Citi Downgrades PAA Natural Gas Storage, L.P. (PNG) to Hold Jan 7, 2011 08:56AM
Citi Initiates Coverage on PAA Natural Gas Storage L.P. (PNG); Low Risk Growth & Strong General Partner Jun 25, 2010 09:17AM