Analysts at Griffin Securities are out with a report today upgrading shares of Unilife Corporation (UNIS) with a ‘Buy’ from ‘Hold’ rating. The firm set its price target on the name at $1.50. In the past 52 weeks, shares of York, Pennsylvania-based company have traded between a low of $0.42 and a high of $4.90 […] View the full post at: Notable Upgrades: Unilife Corporation (UNIS), FLIR Systems (FLIR), Lululemon (LULU), Equinix (EQIX) Related posts: Top Pre-Market Stock Upgrades/Downgrades May 3, 2010 Top Pre-Market Stock Upgrades/Downgrades May 4, 2010 Top Pre-Market Stock Upgrades/Downgrades April 29, 2010