Analyst calls: WFMI, ADM, AZO, PUK, FCX, LOGI, TTWO, URBN, AEO ...

Analyst upgrades:

Whole Foods (NASDAQ: WFMI) was upgraded to Neutral from Sell at UBS.
Archer Daniels Midland (NYSE: ADM) was upgraded to Equal Weight from Underweight at Barclays.
AutoZone (NYSE: AZO) was raised to Buy from Neutral at Merrill Lynch.
B. Riley upgraded S&T Bancorp (NASDAQ: STBA) to Buy from Neutral and lowered its target to $35 from $38 on valuation, as they believe the sell-off post-Q3 results is overdone.
Jefferies upgraded GSI Commerce (NASDAQ: GSIC) to Buy from Hold on valuation after Q4 revenue guidance was reset lower. The firm lowered their target to $13 from $18.
JP Morgan upgraded shares of DHT Maritime (NYSE: DHT) and General Maritime (NYSE: GMR) to Overweight from Neutral on the company's valuation and dividend stability.

Analyst downgrades:

HSBC cut Prudential (NYSE: PUK) to Neutral from Overweight as they believe capital has eroded and debt refinancing is increasingly difficult.
Freeport McMoRan (NYSE: FCX) was downgraded to Neutral from Buy at Goldman.
Logitech (NASDAQ: LOGI) was lowered to Hold from Buy at Citigroup and to Neutral from Outperform at Credit Suisse.

Covance (NYSE: CVD) was cut to Hold from Buy at Jefferies.
JP Morgan downgraded shares of Overseas Shipholding (NYSE: OSG) to Neutral from Overweight on lower spot rate forecasts and the company's high leverage.
Jefferies downgraded shares of Dover Downs (NYSE: DDE) to Underperform from Buy on the increasing threat of gaming being legalized in Maryland after a Washington Post poll showed that 62% of Maryland voters expressed support of the November ballot measure to legalize slot machines. The firm lowered their target to $5.50 from $9.

Analyst initiations:

Take-Two (NASDAQ: TTWO) was initiated with a Neutral rating and $14 target at Banc of America Banc of America, citing tough comps going forward and the potential loss of key employees.
Oppenheimer initiated Urban Outfitters (NASDAQ: URBN) and American Eagle (NYSE: AEO) with Outperform ratings and a targets of $27 and $14, respectively.
Church & Dwight (NYSE: CHD) was initiated with a Hold rating a $60 target at Jefferies. The firm recommends waiting for a better entry point.
Merrill Lynch initiated Omnicom Group (NYSE: OMC) and Interpublic Group (NYSE: IPG) with Neutral ratings.
B. Riley believes Opnext (NASDAQ: OPXT) has a solid balance sheet and is positioned in one of the fastest-growing segments of the optical components market. The firm started shares with a Buy rating and $6.60 target.