Today's noteworthy upgrades include: AVANGRID (AGR) upgraded to Buy from Neutral at Janney Capital... Aegerion (AEGR) upgraded to Buy from Sell at Guggenheim... Ally Financial (ALLY) upgraded to Buy from Hold at Sandler O'Neill... ArQule (ARQL) upgraded to Outperform from Sector Perform at RBC Capital... Avago (AVGO) upgraded to Top Pick from Outperform at RBC Capital... BBCN Bancorp (BBCN) upgraded to Outperform from Market Perform at Keefe Bruyette... BlackBerry (BBRY) resumed with a Neutral from Underweight at JPMorgan... Chevron (CVX) upgraded to Outperform from Neutral at Macquarie... Ciena (CIEN) upgraded to Buy from Hold at Jefferies... DHX Media (DHXM) upgraded to Outperform from Neutral at Credit Suisse... Enbridge Energy (EEP) upgraded to Outperform from Neutral at Credit Suisse... Eutelsat Communications (EUTLF) upgraded to Neutral from Sell at Goldman... FARO Technologies (FARO) upgraded to Buy from Hold at Needham... Forum Energy (FET) upgraded to Outperform from Neutral at Credit Suisse... General Dynamics (GD) upgraded to Buy from Hold at Drexel Hamilton... Joy Global (JOY) upgraded to Market Perform from Underperform at FBR Capital... Nabors Industries (NBR) upgraded to Outperform from Neutral at Credit Suisse... Ross Stores (ROST) upgraded to Outperform at Cowen... Superior Energy (SPN) upgraded to Outperform from Neutral at Credit Suisse... TC PipeLines (TCP) upgraded to Buy from Underperform at BofA/Merrill... TeleNav (TNAV) upgraded to Buy from Neutral at Sidoti... Tiffany (TIF) upgraded to Buy from Hold at Jefferies... Wabtec (WAB) upgraded on valuation, earnings outlook at Stifel.