Today's noteworthy initiations include: Ameris Bancorp (ABCB) initiated with an Overweight at Piper Jaffray... Anixter (AXE) initiated with an In-Line at Imperial Capital... Bank of the Ozarks (OZRK) initiated with a Neutral at Piper Jaffray... Chegg (CHGG) initiated with an Outperform at Barrington... China Biologic (CBPO) initiated with a Buy at BofA/Merrill... Crane (CR) initiated with a Neutral at Global Hunter... Encore Capital (ECPG) initiated with a Buy at UBS... Envestnet (ENV) initiated with an Outperform at Northland... EverBank (EVER) initiated with an Overweight at Piper Jaffray... GSV Capital (GSVC) initiated with an Outperform at Northland... Great Western (GWB) initiated with an Overweight at JPMorgan... Hannon Armstrong (HASI) initiated with an Outperform at Cowen... Matrix Service (MTRX) initiated with a Market Perform at Avondale... National Grid (NGG) initiated with a Buy at Jefferies... Northern Tier (NTI) initiated with an Outperform at RBC Capital... Pandora (P) initiated with an Outperform at Northland... PennTex (PTXP) initiated with an Outperform at Baird... Signature Bank (SBNY) initiated with an Overweight at Piper Jaffray... Tangoe (TNGO) initiated with an Outperform at Northland... TubeMogul (TUBE) initiated with an Overweight at JPMorgan... UMB Financial (UMBF) initiated with an Overweight at Piper Jaffray... Ultragenyx (RARE) initiated with an Outperform at JMP Securities... Watts Water (WTS) initiated with an Accumulate at Global Hunter... WestRock (WRK) initiated with a Buy at Citi... Western Refining (WNR) initiated with a Sector Perform at RBC Capital.