Analyst initiations: ARUN, BX and ESC

MOST NOTEWORTHY: Aruba Networks (ARUN), the aesthetic energy devices sector and Emeritus Corp (ESC) were today's noteworthy initiations:

JP Morgan initiated shares of Aruba Networks (NASDAQ: ARUN) with a Neutral rating. The firm believes Aruba shares are fully valued at these levels and reflects strong growth with operating leverage.Pacific Crest believes Aruba, initiated with a Sector Perform rating and $19 target, is a strong alternative to Cisco Systems (NASDAQ: CSCO) in the WLAN market and its strong position as a point vendor makes the company an attractive acquisition candidate.

Leerink Swann estimates the aesthetic energy devices sector is likely to experience 20% revenue growth over the next five years. The firm finds Thermage (NASDAQ: THRM) a turnaround-story which has a compelling mix of revenues from disposable tips while Cynosure (NASDAQ: CYNO) is capitalizing successfully on new product cycles with Affirm and SmartLipo. Palomar Medical Technologies (NASDAQ: PMTI) is viewed as the IP leader for hair removal products; Leerink initiated Thermage and Cynosure with Outperform ratings and Palomar with a Market Perform rating.

Emeritus Corp (AMEX: ESC) was initiated with a Buy rating and $33 target at Stifel, which believes ESC has one of the best cash earnings growth stories among any of the traded senior housing companies.

OTHER INITIATIONS:

CE Unterberg started shares of Synchronoss (NASDAQ: SNCR) with a Buy rating and $41 target.

Rodman & Renshaw started shares of Array Biopharma (NASDAQ: ARRY) and Tapestry Pharma (NASDAQ: TPPH) with Market Outperform ratings and an $18 target and $5 target, respectively.