MOST NOTEWORTHY: Nova Chemical, Tomkins Plc and Office Max were today's noteworthy downgrades:

• Citigroup downgraded shares of Nova Chemical (NYSE: NCX) to Sell from Hold as they believe the ethylene cycle is trending downward due to economic uncertainty. Citigroup lowered their target to $21 and $25 and added the stock to the Top Picks Live List as a Sell.
  
• Goldman cut Tomkins Plc (NYSE: TKS) to Sell from Neutral as they believe the slowing economy could impact sales.
  
• Piper downgraded shares of OfficeMax (NYSE: OMX) to Neutral from Buy following the negative pre-announcement by competitor Office Depot (NYSE: ODP) on concerns of deteriorating industry fundamentals. Piper lowered their target on OfficeMax to $11 from $22.

OTHER DOWNGRADES:

• National City (NYSE: NCC) was downgraded to Neutral from Buy at Merrill.
  
• Danaher (NYSE: DHR) was removed from Goldman's Conviction Buy List.
  
• Liberty Interactive (NASDAQ: LINTA) was lowered to Equal Weight from Overweight at Morgan Stanley.

MOST NOTEWORTHY: Tompkins plc (TKS), Commerce Bancorp (CBH), Tribune Co (TRB) and Progressive Gaming International Corp (PGIC) were today's noteworthy upgrades:

• Merrill Lynch upgraded shares of Tompkins plc (NYSE: TKS) to Neutral from Sell on valuation as they believe the company's exposure to the weak U.S. residential and automotive markets is priced into shares.

• RBC Capital raised Commerce Bancorp (NYSE: CBH) to Sector performer from Underperformer. They view the terms of the consent order as a positive and believe the company will now consider a sale given the resignation of CEO Vernon Hill. Keefe Bruyette also upgraded shares of Commerce to Market Perform from Underperform.

• Deutsche Bank upgraded Tribune Co (NYSE: TRB) to Buy from Hold as they believe the going-private transaction will be completed.

• ThinkEquity upgraded Progressive Gaming (NASDAQ: PGIC) to Buy from Accumulate following a recent trip to Macau and marketing meetings with management that reinforced their confidence in the company's long-term viability and strong market positioning...

OTHER UPGRADES:

• Goldman upgraded Costco Wholesale Corp (NASDAQ: COST) to Buy from Neutral.

• Wachovia raised The McClatchy Co (NYSE: MNI) to Outperform from Market Perform.

• InterOil Corp (AMEX: IOC) was upgraded to Strong Buy from Outperform at Raymond James.

• JP Morgan added Las Vegas Sands (NYSE: LVS) to its Focus List.

• Banc of America added Archer Daniels Midland Co (NYSE: ADM) to Buy from Neutral.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).