Analyst upgrades, downgrades and initiations: DTV, LEA, MT, WMT, YHOO

Analyst upgrades:

Keefe Bruyette upgraded Affiliated Managers Group (NYSE: AMG) to Market Perform from Outperform to reflect the rebound in equity and fixed income markets as well as an attractive risk/reward profile. The firm raised its target on shares to $72 from $61.
Jefferies upgraded AGCO Corp. (NYSE: AGCO) to Buy from Hold as it believes equipment sales in Brazil are holding up better than expected and farm stimulus should set a floor in sales. The firm raised its target on shares to $36 from $25.
Deutsche Bank upgraded ArcelorMittal (NYSE: MT) to Buy from Hold to reflect reduced balance sheet risk and a more positive view on the steel sector. The raised its target on shares to $42 from $23
Yahoo! (NASDAQ: YHOO) was upgraded to Buy from Hold at Citigroup.
Synovus (NYSE: SNV) was raised to Buy from Neutral at SunTrust.
First American (NYSE: FAF) was lifted to Overweight from Equal Weight at Stephens.

Analyst downgrades:

Goldman downgraded Wal-Mart (NYSE: WMT) to Neutral from Conviction Buy and lowered its target to $56 from $58 due to lack of near-term catalysts, ongoing expense pressures, and difficult comps.
Barclays said Lear's (NYSE: LEA) restructuring in or out of bankruptcy will leave shareholders with little value. The firm cut shares to Underweight from Equal Weight and lowered its target to 25 cents from $1.25.
KeyBanc downgraded Hexcel (NYSE: HXL) to Hold from Buy citing concerns regarding the potential severity of the commercial aerospace downturn
Rowan Companies (NYSE: RDC) was downgraded to Underperform from Neutral at Credit Suisse.
Columbia Banking (NASDAQ: COLB) was downgraded to Market Perform from Outperform at JMP Securities.
Abiomed (NASDAQ: ABMD) was downgraded to Neutral from Buy at UBS.

Analyst initiations:

Pali Capital is positive on DirecTV's (NASDAQ: DTV) innovation and free cash flow growth. The firm started shares with a Buy rating and $32 target.
Energizer (NYSE: ENR) was initiated with a Buy rating and $70 target at Goldman. Atheros was assumed with a Hold rating and $19 target at Canaccord.
Broadridge (NYSE: BR) was started at Banc of America/Merrill with a Neutral rating.

Tags: ABMD, ACGO, AMG, ArcelorMittal, BR, COLB, DirecTV, DTV, ENR, FAF, HXL, LEA, MT, RDC, SNV, Walmart, WMT, Yahoo, YHOO