MOST NOTEWORTHY: Mueller Water, ASM International and Kensey Nash were today's noteworthy upgrades:

• Baird upgraded shares of Mueller Water (NYSE: MWA) to Outperform from Neutral following recent channel checks, as they believe the company has seen a cyclical trough in earnings and downside is limited at current levels. The company's target was raised to $12 from $9.
  
• Jefferies upgraded shares of ASM International (NASDAQ: ASMI) to Buy from Hold as they believe a break-up is likely following bids for the company's front-end business.
  
• Susquehanna said Kensey Nash's (NASDAQ: KNSY) sale of its endovascular products division was the best outcome and will allow the company to focus on being a pure-play OEM biomaterials platform company. Shares were upgraded to Positive from Neutral.

OTHER UPGRADES:

• Goldman added Vistaprint (NASDAQ: VPRT) to the Conviction Buy List.
  
• UBS upgraded Smith & Nephew (NYSE: SNN) to Buy from Neutral.
  
• BorgWarner (NYSE: BWA) was raised to Overweight from Equal Weight at Lehman.