Today's noteworthy initiations include: AAC Holdings (AAC) initiated with a Neutral at Mizuho... Adeptus Health (ADPT) initiated with a Buy at Jefferies... General Employment Enterprises (JOB) initiated with a Buy at Roth Capital... Liberty Lilac Group (LILA) initiated with an Equal Weight at Morgan Stanley... Lumentum (LITE) initiated with a Buy at Stifel... MassRoots (MSRT) initiated with a Buy at Chardan... Maxim Integrated (MXIM) initiated with a Sector Perform at RBC Capital... Stewart (STC) initiated with a Market Perform at Keefe Bruyette... Trevena (TRVN) initiated with a Buy at Brean Capital... ULTA Beauty (ULTA) initiated with a Hold at Deutsche Bank... Viavi (VIAV) initiated with a Hold at Stifel.

Wells Fargo lowered the firm's price target on Ulta Beauty to $350 from $450 and keeps an Underweight rating on the shares. The category is slowing faster than anticipated as the competitive backdrop has become more challenging, the firm says. Margins will likely continue to erode as the need to invest accelerates, Wells adds.