MOST NOTEWORTHY:

• Deutsche Bank believes upside remains on Xilinx Inc's (NASDQ: XLNX) margins and tax rates, initiating shares with a Buy rating and $38 target.

• JP Morgan waits for improved new unit volumes and better earnings visibility before getting more constructive on Red Robin Gourmet Burgers Inc (NASDAQ: RRGB) and initiated shares with a Neutral rating.

• Given the lack of catalysts to improve margins above their peers, JP Morgan doesn't expect multiple expansions from Ingram Micro (NYSE: IM) in the near-term, assuming shares with a Neutral rating.

• Deutsche Bank expects Silicon Labratories (NASDAQ:: SLAB) multiples to expand with operating margins, starting shares with a Buy rating and $40 target.

• Needham believes Comtech Group Inc (NASDAQ: COGO) is uniquely leveraged to benefit from the growth of manufacturing in China and started shares with a Buy rating and $21 target...

• Deutsche Bank initiated shares of Marvell Technology Group (NASDAQ: MRVL) with a Buy rating.

• Citigroup started GTx, Inc (NASDAQ: GTXI) with a Buy rating.

• Pacific Growth started Itron, Inc (NASDAQ: ITRI) with a Buy rating.

• First Marblehead Corp (NYSE: FMD) was initiated with a Hold rating and $38 target at Sandler.

• UBS started Kaiser Aluminum Corp (NASDAQ: KALU) with a Buy rating and $100 target.

Analyst initiations 5-10-07: COGO, IM, MRVL, RRGB and XLNX originally appeared on BloggingStocks on Thu, 10 May 2007 11:22:00 EST. Please see our terms for use of feeds.