Option traders appear to be setting up for a bullish move on ProLogis (PLD). Traders plowed into 1,067 new call option contracts -- 2.81 times the average volume -- on the stock on Thursday. And we know that traders were eager to get into this trade because 95% of the trades came in on the ask price.

ProLogis looks like it formed a bottom in early July and has since formed a higher low in August. The stock closed Thursday at $10.92, down 0.18% during the past month.

Analyst upgrades:

• Pali Capital upgraded Lazard (LAZ) to buy from neutral, citing a healthy restructuring environment, improving M&A and strength in the asset management segment. The firm has a $46 target on shares.
• Baird upgraded Scansource (SCSC) to outperform from neutral, citing strength in the channel business and growth drivers from improved telephony and security. The firm has a $30 target on shares.
• Citigroup upgraded Liberty Interactive (LINTA) to buy from hold, citing the company's QVC unit's return to growth. The firm raised its target on shares to $13.25 from $12.
• Hess Corp (HES) was upgraded to overweight from equal weight at Morgan Stanley.
• Vulcan Materials (VMC) was upgraded to buy from neutral at UBS.
• Dillard's (DDS) was upgraded to buy from hold at Deutsche Bank.

Analyst upgrades:

• Piper upgraded shares of Palm (NASDAQ: PALM) to Buy from Neutral following the company's negative Q3 pre-announcement as it believes the launch of Pre will drive longer term profitability. Piper raised its target price on shares to $10 from $4.
  
• Jefferies upgraded Monotype Imaging (NASDAQ: TYPE) to Buy from Hold as it believes the valuation is compelling at current levels and the company's debt is manageable. Despite upgrading, Jefferies lowered its target price to $4 from $6.
  
• Citigroup raised Arcelor Mittal (NYSE: MT) to Hold from Sell as it believes the company's productions cuts and lower dividends are positive.
• Celanese (NYSE: CE) was upgraded to Buy from Neutral at Goldman and added to the firm's Conviction Buy List.
  
• Aegon (NYSE: AEG) was lifted at UBS to Neutral from Sell.
  
• Sun Healthcare (NASDAQ: SUNH) was upgraded at Stephens to Overweight from Equal Weight.

MOST NOTEWORTHY: The educational services industry, the Latin American airlines sector, Asta Funding Inc (NASDAQ: ASFI) and Chipotle Mexican Grill Inc (NYSE: CMG) were today's noteworthy initiations:

• William Blair assumed coverage of Apollo Group Inc (NASDAQ: APOL) and Strayer Education Inc (NASDAQ: STRA) with Outperform ratings and Career Education Corporation (NASDAQ: CECO) with a Market Perform rating. The broker also assumed coverage and downgraded DeVry Inc (NYSE: DV) to Market Perform from Outperform.
  
• Goldman Sachs initiated coverage on Copa Holdings (NYSE: CPA) with a Buy rating and $88 target, GOL Linhas Aereas Inteligentes SA (NYSE: GOL) and TAM SA (NYSE: TAM) with Neutral ratings and Lan Airlines SA (NYSE: LFL) with a Sell rating and $93 target; Lan Airlines was also initiated at Morgan Stanley with an Overweight rating and $105 target.
  
• Asta Funding was initiated at Kaufman Brothers with a Buy rating and $55 target. The firm believes the company should grow earnings at a midpoint of 20% over time, with near-term growth at 15% and longer-term growth at 20%-25%.
  
• Citigroup initiated shares of Chipotle Mexican Grill with a Buy rating and $100 target, as the firm expects the company will see unit growth at a rate in the high-teens while experiencing above-average SSS and some margin expansion.

OTHER INITIATIONS:

• BMO Capital initiated shares of CDC Corp (NASDAQ: CHINA) with a Market Perform rating and $11 target.
  
• Jazz Technologies Inc (NYSE: JAZ) was initiated with a Buy rating and $5 target at Wedbush Morgan Securities.
  
• Calyon Securities initiated shares of Pinnacle Entertainment Inc (NYSE: PNK) with an Add rating and $32 target.
• Luminex Corporation (NASDAQ: LMNX) was initiated with a Buy rating at Pacific Growth Equities.