MOST NOTEWORTHY: U.S. Auto Parts (PRTS), Potash (POT), Mosaic (MOS) and Time Warner (TWX) were today's noteworthy initiations: Merriman initiated U.S. Auto Parts with a Buy rating. The firm believes shares of U.S. Auto Parts offer a compelling valuation relative to its growth and peers. BofA/Merrill initiated Potash and Mosaic with Buy ratings and a $140 target and $75 target, respectively. RBC Capital started Time Warner with an Outperform rating and $35 target...OTHER INITIATIONS: Tupperware Brands (TUP) was initiated with an Outperform rating and $52 target at RBC Capital. ShoreTel (SHOR) was assumed with a Buy rating at Lazard Capital. Kennametal (KMT) was initiated at Jesup & Lamont with a Buy rating and $38 target. :theflyonthewall.com