MOST NOTEWORTHY

• UBS downgraded TDK Corp. (NYSE: TDK) to Reduce from Neutral after the company's operating profit missed estimates.

• Deutsche Bank cut Maguire Properties (NYSE: MPG) to Sell from Hold following the company's disappointing Q2 report.

• Sandler cut BankAtlantic Bancorp (NYSE: BBX) to Sell from Hold on valuation.

• Valuation and debt levels pushed Unterberg to downgrade ON Semiconductor (NASDAQ: ONNN) to Market Perform from Buy.

• William Blair downgraded shares of Amgen (NASDAQ: AMGN) to Market Perform from Outperform as they believe the CMS decision on ESA reimbursement guidelines is extremely restrictive regarding Aranesp use in oncology...

• Lyondell Chemical Co (NYSE: LYO) was downgraded to Equal Weight from Overweight.

• UBS cut FMC Technologies (NYSE: FTI) to Reduce from Neutral.

• Stanford downgraded MoSys (NASDAQ: MOSY) to Hold from Buy.

• Brean Murray downgraded SumTotal Systems (NASDAQ: SUMT) to Hold from Buy.

• Buckingham cut Cephalon (NASDAQ: CEPH) to Accumulate from Strong Buy.

Analyst downgrades 8-01-07: AMGN, CEPH, LYO and TDK originally appeared on BloggingStocks on Wed, 01 Aug 2007 11:34:00 EST. Please see our terms for use of feeds.