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Stifel Nicolaus Upgrades Perficient (PRFT) to Buy Oct 14, 2009 08:53AM
Stifel Nicolaus Upgrades Perficient (PRFT) to Buy Oct 13, 2009 09:34AM
Stifel Nicolaus Initiates Coverage on Perficient (PRFT) with a Hold Jun 18, 2009 09:35AM
Unusual 11 Mid-Day Movers 1/09: APOL, TG, RBN, PERY Higher; SPEC, PRXI, PMI Lower Jan 9, 2008 01:56PM