Editor's Note: Green and red arrows refer to intraday stock price movement.NEW YORK ( TheStreet) -- CHANGE IN RATINGS Accenture ( ACN) rated new Market Perform at BMO Capital Markets. $70 price target. Best positioned firm in sector, but held back by valuation. Analog Devices ( ADI) downgraded at Sterne from Buy to Neutral. Company is seeing weaker industrial orders and is leveraged to lower consumer spending. Amerigroup ( AGP) downgraded at BofA/Merrill to Underperform from Buy. Company is facing higher costs. $46 price target. Allstate ( ALL) downgraded at Goldman from Neutral to Sell. Company has less exposure to rising property catastrophe pricing. AMR ( AMR) downgraded at JPMorgan from Overweight to Neutral. Revised loss projections no longer support sufficient upside potential. Brown-Forman ( BF/B) rated new Underweight at Barclays. Company is facing increased competition from Jim Beam. BHP Billiton ( BLT) downgraded at Credit Suisse from Outperform to Neutral. $47 price target. Incorporating the Petrohawk acquisition into model. Choice Hotels ( CHH) upgraded at Credit Suisse from Underperform to Neutral. $30 price target. Valuation call, as stock price has fallen dramatically. Cognizant Technology ( CTSH) rated new Outperform at BMO Capital Markets. $86 price target. Company can support attractive growth for a few years. Corporate Exec. Board ( EXBD) upgraded at Barclays from Neutral to Overweight. $45 price target. Stock appears oversold, as growth should accelerate in the second half of the year. Corporate Exec. Board upgraded at Deutsche from Hold to Buy. $45 price target. Company is cutting costs, but can still deliver double-digit bookings growth. Fiserv ( FISV) upgraded at Baird from Neutral to Outperform. Valuation call, based on a $70 price target. Fortune Brands ( FO) rated new Overweight at Barclays Capital. Jim Beam should help drive near-term growth. KiOR ( KIOR) rated new Buy at Citigroup. $21 price target. Potential to be first successful biofuel company. KiOR rated new Buy at UBS. $28 price target. Strong support from local and US government programs. Marriott International ( MAR) downgraded at BofA/Merrill from Buy to Neutral. $34 price target. Company is leveraged to lower GDP growth. Marathon Oil ( MRO) downgraded at Credit Suisse from Outperform to Neutral. $36 price target. Unplanned downtime and tax rates also rising versus forecasts.