Today's noteworthy initiations include: Fortune Brands (FBHS) initiated with a Buy at Cantor... MasTec (MTZ) initiated with a Neutral at Baird... KNOT Offshore Partners (KNOP) initiated with a Market Perform at Wells Fargo... Interactive Intelligence (ININ) initiated with an Outperform at RBC Capital... TerraForm Global (GLBL) initiated with a Neutral at Goldman... Mercury Systems (MRCY) initiated with a Buy at Drexel Hamilton... SolarCity (SCTY) initiated with a Market Perform at Cowen... Canadian Solar (CSIQ) initiated with an Outperform at Cowen... Power Solutions (PSIX) initiated with a Buy at Wunderlich... PTC Therapeutics (PTCT) initiated with a Buy at Citi... Helen of Troy (HELE) initiated with a Neutral at Sidoti... ACADIA (ACAD) initiated with a Buy at Aegis.