Analyst upgrades:

• Citigroup upgraded Adtran (NASDAQ: ADTN) to Buy from Hold on expectations the company will benefit from the broadband Stimulus funds.
• Morgan Stanley upgraded Continental Airlines (NYSE: CAL) to Overweight from Equal Weight based on relative valuation and views the company as a "survivor." Additionally, the analyst lowered 2009 industry estimates but believes it is the last cut for the year and is incrementally more positive on the sector.
• Morgan Stanley also upgraded EXFO Electro-Optical (NASDAQ: EXFO) to Overweight from Market Weight based on valuation.
• Tata Motors (NYSE: TTM) was upgraded to Buy from Hold at Deutsche Bank.
• Ascent Solar (NASDAQ: ASTI) was upgraded to Neutral from Underweight at JP Morgan.
• Mechel Steel (NYSE: MTL) was upgraded to Neutral from Underperform at Credit Suisse.

Nucor (NYSE: NUE), an operator steel mills and marketer of steel products, closed at $32.27 Tuesday. NUE December option implied volatility of 91 is above its 26-week average of 73 according to Track Data, suggesting larger price movement.

AK Steel (NYSE: AKS), a producer of steel products, closed at $6.86 Tuesday. AKS December 7.5 straddle is priced at $2.40, January 7.5 straddle is priced at $3.50. AKS January option implied volatility of 158 is above its 26-week average of 102 according to Track Data, indicating larger price movement.

Mechel Steel (NYSE: MTL) closed at $4.59 Tuesday. MTL is a Russian mining, steel and power company. MTL December 5 straddle closed at $2.25, January 5 straddle closed at $3.15. MTL April option implied volatility of 185 is above its 26-week average of 117 according to Track Data, suggesting larger price fluctuations.

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

Analyst upgrades:

• Baird upgraded Regal-Beloit (NYSE: RBC) to Outperform from Neutral based on valuation and growth expectations.
• Black & Decker (NYSE: BDK) and Lennar (NYSE: LEN) were upgraded to Buy from Neutral at UBS based on valuation.
• Kroger (NYSE: KR) and Public Storage (NYSE: PSA) were added to Goldman's Conviction Buy List.
• CIBC upgraded Biovail (NYSE: BVF) to Sector Performer from Sector Underperformer.
• Abercrombie & Fitch (NYSE: ANF) was raised to Neutral from Underperform at Cowen.

• Merrill downgraded Campbell Soup (NYSE: CPB) to Neutral from Buy and expects marketing and promotional spending to limit earnings growth in 2009 and 2010. The firm lowered their target to $35 from $42.
• Mechel Steel (NYSE: MTL) was cut to Underweight from Equal Weight at Morgan Stanley to reflect declining coal demand.
  
• Friedman Billings downgraded shares of Legg Mason (NYSE: LM) to Underperform from Market Perform on liquidity concerns given the Legg Mason's leveraged balance sheet and falling EBITDA. The firm lowered their target to $7 from $11.

Arcelor Mittal (NYSE: MT), a global steel producer, is recently trading at $26.90 in pre-open trading, below its close of $31.70. MT reported Q3 EPS of $2.79 verses consensus of $4.01. MT December option implied volatility of 94 is above its 26-week average of 54 according to Track Data, suggesting larger price movement.

Mechel Steel (NYSE: MTL) closed at $9.01 Tuesday. MTL is a Russian mining, steel and power company. MTL December option implied volatility of 177 is above its 26-week average of 88 according to Track Data, suggesting larger price fluctuations.

US Steel (NYSE: X) is recently trading at $38.75 in pre-open trading, below its close of $41.17. X November option implied volatility of 97 is above its 26-week average of 71 according to Track Data, suggesting larger price movement.

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

Crocs (NASDAQ: CROX) is trading at $5.06 late this morning, well below its close of $8.94. CROX lowered Q2 and 2008 financial guidance. Robert Baird Co lowered its rating to Neutral from Outperform. CROX over all option implied volatility of 91 is above its 26-week average of 84 according to Track Data, suggesting larger price movement.

Mechel Steel (NYSE: MTL) closed at $22.84, and is trading up this morning at $26.40. MTL sold off 38% on July 24 after Russian Prime Minister Vladimir Putin ordered antitrust authorities to investigate selling prices at steel and coal group MTL. MTL August option implied volatility is at 162, October is at 105, above its 26-week average of 66 according to Track Data, suggesting larger price fluctuations.

Elan Corp (NYSE: ELN) closed at $32.34 and, as of 11:15 Friday morning, is trading at $33.43. ELN's & WYE's Bapineuzumab (Alzheimer's treatment) Phase 2 trial results will be presented at the International Conference on Alzheimer's Disease on July 29. ELN August option implied volatility is at 97, October is at 70; above its 26-week average of 69 according to Track Data, suggesting larger price fluctuations.

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

AK Steel Holding Corp. (NYSE: AKS), a flat-rolled carbon, stainless and electrical steel producer, is recently up $1.39 to $50.63. The DealReporter said several steel companies are interested in AKS according to sources. AKS is expected to report EPS on October 23. AKS call option volume of 15,243 contracts compares to put volume of 2,502 contracts. AKS October 50 straddle is priced at $3.75. AKS November option implied volatility of 60 is above its 26-week average of 51 according to Track Data, suggesting larger price risks.

Mechel Steel (NYSE: MTL), a Russian mining and metals company, is recently up $6.26 to $72.23 after reporting its operational results for nine months. MTL November option implied volatility of 55 is above its 26-week average of 43 according to Track Data, suggesting larger price risk.

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