Today's noteworthy upgrades include: Asanko Gold (AKG) upgraded to Speculative Buy from Hold at Canaccord... Bancolombia (CIB) upgraded to Overweight from Neutral at JPMorgan... Cirrus Logic (CRUS) upgraded on results, new product outlook at Stifel... Coach (COH) upgraded to Neutral from Underperform at Buckingham... DreamWorks (DWA) upgraded to Market Perform from Underperform at FBR Capital... EMC (EMC) upgraded to Outperform from Market Perform at Wells Fargo... Exact Sciences (EXAS) upgraded to Buy from Hold at Lake Street... FMC Technologies (FTI) upgraded to Hold from Underperform at Jefferies... Fortinet (FTNT) upgraded to Overweight from Neutral at JPMorgan... Gazprom (OGZPY) upgraded to Overweight from Neutral at JPMorgan... IDEXX (IDXX) upgraded to Hold from Sell at Feltl... National Fuel (NFG) upgraded to Buy from Hold at Jefferies... National Retail Properties (NNN) upgraded to Overweight at Morgan Stanley... Oceaneering (OII) upgraded to Hold from Underperform at Jefferies... Omnicom (OMC) upgraded to Buy from Hold at Argus... Owens Corning (OC) upgraded on results, valuation at Stifel... Pattern Energy (PEGI) upgraded to Outperform from Market Perform at Avondale... Prologis (PLD) upgraded to Outperform from Market Perform at Cowen... STORE Capital (STOR) upgraded to Overweight from Equal Weight at Morgan Stanley... SanDisk (SNDK) upgraded to Buy from Neutral at B. Riley... Spectra Energy Partners (SEP) upgraded to Buy from Hold at Jefferies... Ultra Clean (UCTT) upgraded to Buy from Hold at Craig-Hallum... United Technologies (UTX) upgraded to Outperform from Market Perform at Cowen... VF Corp. (VFC) upgraded to Buy from Neutral at Buckingham.