Option traders appear to be setting up for a bullish move on Rehabcare Group Inc. (RHB). Traders plowed into 2,192 new call option contracts -- 18.9 times the average volume -- on the stock on Tuesday. And we know that traders were eager to get into this trade because 100% of the trades came in on the ask price.

Rehabcare is sitting just above support at $16. The stock closed Tuesday at $16.56, up 23.16% during the past month.

Analyst upgrades:

• Citigroup upgraded shares of Salesforce.com (NYSE: CRM) to Buy from Hold on valuation following the recent weakness and expects positive seasonality in the second half of 2008.
  
• Gilat Satellite (NASDAQ: GILT) was upgraded to Outperform from Market Perform at William Blair on valuation.
• Cott Corp (NYSE: COT) was raised at UBS to Neutral from Sell.
  
• EOG Resources (NYSE: EOG) was upgraded to Market Perform from Underperform at Bernstein.
  
• Integra LifeSciencues (NASDAQ: IART) was raised to Buy from Hold at Argus.

• Jefferies downgraded shares of Marvell Tech (NASDAQ: MRVL) to Hold from Buy on HDD inventory concerns and share loss at Research in Motion (NASDAQ: RIMM) after checks indicated MRVL likely lost the design for the RIM Javelin to Freescale. The firm lowered their target to $15 from $22.
  
• Oppenheimer downgraded Integrated Device (NASDAQ: IDTI) to Perform from Outperform as they believe the upcoming Intel (NASDAQ: INTC) server memory transition will pressure shares for several quarters.
  
• Broadpoint downgraded shares of Healthaways (NASDAQ: HWAY) to Neutral from Buy as they see few near-term catalysts.