Up/Downgrades

Published on Wednesday, 09 May 2012 07:46 Written by Danny Miller

New York, May 9th (TradersHuddle.com) - Research Calls ahead of the market open.

St. Jude Medical (NYSE:STJ) was upgraded to Overweight from Equal Weight at Morgan Stanley.

Affymetrix (NASDAQ:AFFX) was upgraded to Equal Weight from Underweight at Morgan Stanley.

Dow Chemical (NYSE:DOW) was upgraded to Overweight from Equal Weight at Morgan Stanley.

Analog Devices (NYSE:ADI) was downgraded to a Neutral from Buy at UBS.

MercadoLibre (NASDAQ:MELI) was downgraded to Market Perform from Outperform at Raymond James.

Scotts Miracle-Gro (NYSE:SMG) was upgraded to Market Perform from Underperform at BMO Capital.

ACE Limited (NYSE:ACE) was downgraded to a Neutral from Buy at Goldman Sachs.

Chiquita Brands (NYSE:CQB) was downgraded to a Hold from Buy at Jefferies.

EZCORP (NASDAQ:EZPW) was upgraded to a Neutral from Underperform at Sterne Agee.

Callon Petroleum (NYSE:CPE) was upgraded to Outperform from Neutral at Robert W. Baird. The firm lowered its target price to $7 from $9.