DA Davidson Downgrades Novellus (NVLS) to Neutral; Merger Cross Currents Offset Growing Business Strength Feb 3, 2012 11:22AM
DA Davidson Starts Novellus (NVLS) at Buy; Semi-Cycle, Model Leverage and New Markets All Driving Strong Growth Apr 1, 2011 11:35AM
Novellus (NVLS) Shares Spike Higher as DA Davidson Upgrades to Buy Nov 20, 2009 02:04PM
DA Davidson Initiates Coverage on Novellus Systems (NVLS) with a Neutral Sep 30, 2009 11:55AM