Analyst upgrades:

• Baird upgraded Starwood Hotels (NYSE: HOT), Host Hotels (NYSE: HST) and Marriott (NYSE: MAR) to Outperform from Neutral based on valuation and indications that negative sentiment has reached a bottom.
• Citigroup upgraded Torchmark (NYSE: TMK) to Buy from Hold as they find the valuation attractive and think management can grow earnings and book value in 2009/2010. Despite upgrading, the firm lowered their target price to $37 from $45.
• ASM International (NASDAQ: ASMI) was added to Goldman's Conviction Buy List.
• Credit Suisse (NYSE: CS) was raised to Overweight from Equal Weight at Morgan Stanley.
• Live Nation (NYSE: LYV) was upgraded at Natixis to Buy from Hold.

MOST NOTEWORTHY: Atmel, Skyworks, Alcatel-Lucent, Parexel and Map Pharma were today's noteworthy initiations:

• Kaufman Bros. initiated Atmel (NASDAQ: ATML) with a Buy rating and $6 target, as they believe the company's increasing focus around its core microcontroller business can drive an improved growth and profitability profile going forward and would be buyers at current levels.
  
• The firm also started shares of Skyworks (NASDAQ: SWKS) with a Buy rating and a $10 target, as they like the company's balanced customer positioning and find the stock attractively valued at current levels.
  
• JP Morgan initiated Alcatel-Lucent (NYSE: ALU) with an Overweight rating and believes the risks are more than fully priced into shares at current levels.
  
• Parexel (NADSAQ: PRXL) was initiated with a Neutral rating at Broadpoint, as they believe the company's improved execution is already priced into shares.
  
• Deutsche Bank finds shares of Map Pharmaceuticals (NASDAQ: MAPP) attractively valued given the opportunity from the company's two late stage product candidates, UDB and Tempo Migraine. The firm started shares off with a Buy rating and $19 target.

OTHER INITIATIONS:

• Wachovia initiated coverage of leisure stocks, starting shares of Carnival (NYSE: CCL), Cedar Fair (NYSE: FUN) and Royal Caribbean (NYSE: RCL) with Outperform ratings.
  
• Credit Suisse initiated PepsiCo (NYSE: PEP) and Coca-Cola (NYSE: KO) with Outperform ratings and targets of $87 and $68, respectively.

Wall Street's equity market offers a full schedule this week, with 8 IPOs and 5 Secondaries on the docket.

Those deals tentatively scheduled to price include:

IPOs:

Possible

• Merrion Pharmaceuticals (MERR), a 4M-share IPO for this pharmaceuticals company. Punk Zeigel is the lead manager. Filing range: $10.00-$12.00.

Early Week

• Liberty Acquisition (LIA), an 86.25M-share IPO for this reorganization services company. Citigoup is the lead manager.