Eagle Bulk Shipping (NASDAQ: EGLE) closed at $5.27. EGLE October call option implied volatility closed at 65, puts at 71; below its 26-week average of 114, according to Track Data, suggesting decreasing price risk.

Manitowoc (NYSE: MTW) closed at $6.76. MTW, a provider of lifting equipment, will participate in the Morgan Stanly Global Industrials Unplugged Conference on September 1. MTW September option implied volatility is at 70, October is at 73; below its 26-week average of 99, according to Track Data, suggesting decreasing price movement.

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

Analyst upgrades:

• Jefferies upgraded Aruba Networks (NASDAQ: ARUN) to Buy from Hold following the company's Q3 results to reflect improved visibility. The firm raised its target price to $6.50 from $3.
• Citigroup upgraded Mosaic (NYSE: MOS) and Potash (NYSE: POT) to Buy from Hold and Agrium (NYSE: AGU) to Hold from Sell as it believes stronger grain fundamentals more than offset China contract risk. The firm raised its target on Mosaic to $72 from $48, on Potash to $145 from $83 and on Agrium to $55 from $36.
• Fulton Financial (NASDAQ: FULT) Was upgraded to Market Perform from Underperform at Keefe Bruyette.
• Rio Tinto (NYSE: RTP) was raised to Neutral from Sell at Goldman.
• Noble Corp. (NYSE: NE) was upgraded at Deutsche Bank to Buy from Hold.

MOST NOTEWORTHY: International Paper, Autodesk, Oracle and Vistaprint were today's noteworthy upgrades:

• Citigroup upgraded shares of International Paper (NYSE: IP) to Buy from Hold on valuation and their belief that recent declines in the dollar will support pulp, paper and paperboard prices going forward.
  
• Autodesk (NASDAQ: ADSK) was upgraded to Buy from Hold at Jefferies after their proprietary survey yielded positive data points going into Q3. They also raised their estimates due to currency. Broadpoint raised its rating on Oracle to Buy from Neutral on valuation following the recent underperformance.
  
• Oracle (NASDAQ: ORCL) was also upgraded to Sector Outperformer from Sector Performer at CIBC, as they believe the company's growing product portfolio, improving margins and successful acquisition strategy should continue to drive double-digit EPS gains.
  
• William Blair added Vistaprint (NASDAQ: VPRT) to its Current Better Values List. The firm believes the company has a large market opportunity and expects its business momentum to continue. They view the recent weakness as a buying opportunity.

OTHER UPGRADES:

• Merrill Lynch upgraded Alcatel-Lucent (NYSE: ALU) to Neutral from Sell.
  
• UBS upgraded Eagle Bulk Shipping (NASDAQ: EGLE) to Buy from Neutral.
  
• Affiliated Managers Group (NYSE: AMG) was upgraded to Outperform from Market Perform at Wachovia.
  
• Banc of America upgraded Andersons (NASDAQ: ANDE) to Buy from Neutral.