Analyst Upgrades

• Amazon.com (AMZN) was upgraded to buy from neutral at BofA/Merrill.
• Netflix (NFLX) was upgraded to outperform from perform at Oppenheimer and to neutral from sell at Janney Montgomery.
• Janney Montgomery also upgraded BJ's Wholesale (BJ) to buy from neutral.
• RW Baird upgraded Kforce.com (KFRC), SFN Group (SFN) and Young Innovations (YDNT) to outperform from neutral.
• NetSuite (N) was upgraded to neutral from underweight and Select Comfort (SCSS) was upgraded to overweight from neutral at Piper Jaffray.
• Flushing Financial (FFIC) was upgraded to outperform from market perform at Keefe Bruyette.
• National Instruments (NATI) was upgraded to buy from hold at Stifel Nicolaus.
• RBC Capital upgraded MDS Inc. (MDZ) to outperform from sector perform.

Analyst Upgrades

• Best Buy (BBY) was upgraded to top pick from outperform at RBC Capital, as the firm thinks the company's valuation is inexpensive while it will perform well during the holiday season.
• Credit Suisse upgraded CF Industries (CF) to outperform from neutral, citing favorable fundamentals in nitrogen and phosphate markets.
• Canadian Solar (CSIQ) was raised to buy from hold by Jefferies, which cited expectations for higher selling prices next year and cost savings from sourcing more components internally.
• BMO Capital upgraded RC2 Corp. (RCRC) to outperform from market perform as the firm believes that RC2's baby products are performing better than previously expected.
• Ericsson (ERIC) was upgraded to neutral from underperform at BofA/Merril.
• ProLogis (PLD) was upgraded to buy from hold at Stifel Nicolaus.
• Constellation Energy (CEG) was upgraded to outperform from neutral at Macquarie.

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: Quiksilver, Omniture and Crown Holdings were today's noteworthy upgrades:

• B. Riley upgraded shares of Quiksilver (NYSE: ZQK) to Buy from Neutral on valuation and to reflect the EPS catalyst and debt reduction associated with divesting Rossignol.
  
• Friedman Billings upgraded shares of Omniture (NASDAQ: OMTR) to Outperform from Market Perform following the recent pullback, as they believe the company is in its best competitive position ever, which should drive increasing win rates and help restore pricing power.
  
• Banc of America upgraded shares of Crown Holdings (NYSE: CCK) to Buy from Neutral to reflect the company's international exposure and believes metal packaging companies should be better able to manage input inflation.

OTHER UPGRADES:

• UBS raised AmerisourceBergen (NYSE: ABC) to Neutral from Sell.
  
• Stephens raised its rating on Amedisys (NASDAQ: AMED) to Overweight from Equal Weight.
  
• Nordstrom (NYSE: JWN) and JC Penney (NYSE: JCP) were upgraded to Buy from Neutral at Goldman Sachs.