MOST NOTEWORTHY: Kelly Services, Iron Mountain, Covenant Transportation and the biotech sector were today's noteworthy upgrades:

• Merrill Lynch upgraded Kelly Services Inc (NASDAQ: KELYA) to Neutral from Sell and Iron Mountain Incorporated (NYSE: IRM) to Buy from Neutral after they adjusted estimates in the group to reflect risks of a recession in the U.S.
  
• AG Edwards upgraded shares of Covenant Transportation Group (NASDAQ: CVTI) to Buy from Hold as they believe the stock is oversold after the company was able to renegotiate its debt covenants without significant cost increases.
• Bernstein upgraded the biotech sector citing valuation and typical seasonality for the group. The firm reiterated shares of Amgen Inc (NASDAQ: AMGN), Genentech Inc (NYSE: DNA), Gilead Sciences Inc (NASDAQ: GILD), Celgene Corporation (NASDAQ: CELG) and Vertex Pharmaceuticals (NASDAQ: VRTX) with Outperform ratings...

OTHER UPGRADES:

• Netflix Inc (NASDAQ: NFLX) was upgraded to Hold from Sell at Wedbush. The firm also upgraded shares of Kenexa Corporation (NASDAQ: KNXA) to Buy from Hold.
  
• Deutsche Bank upgraded shares of United Microelectronics (NYSE: UMC) to Buy from Hold.
  
• UBS upgraded shares of Royal Dutch Shell (NYSE: RDS.A) to Buy from Neutral on valuation.
  
• Lehman Brothers upped regulated utilities to Neutral from Negative, and Public Service Enterprise Group (NYSE: PEG) and Wisconsin Energy Corporation (NYSE: WEC) to Overweight from Equal Weight.

Manpower (NYSE: MAN) volatility up; on employment growth concerns. MAN, an employment services company with 4,400 offices in 73 countries, is recently down $4.51 to $65.34. MAN has a market cap of $5.5 billion with long term debt of $800 million. MAN, Kelly Services (NASDAQ: KELYA), Labor ready (NYSE: LRW) & Spherion (NYSE: SFN) have aggressively sold off over the last week on U.S. human resource and employment services growth concerns. MAN September option implied volatility of 43 is above its 26-week average of 28 according to Track Data, suggesting larger price risk.

Labor Ready (NYSE: LRW) volatility Up; on employment growth concerns. LRW, a global temporary staffing provider, has a market cap of $878 million. LRW September option implied volatility of 47 is above its 26-week average of 40 according to Track Data, suggesting larger risk.

Volatility Index S&P 500 Options-VIX up 3.55 to 25; 10-day average is 22.95.

Daily options Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.