Analysts' Actions: CHK, DRI, ZNGA

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Acacia Research ( ACTG) downgraded to hold at TheStreet Ratings.

Allstate ( ALL) upgraded at Argus from Hold to Buy, Argus Research said. Valuation call, based on a $36 price target.

HomeAway ( AWAY) upgraded at Citigroup to Buy from Neutral, Citigroup said. $33 price target. Clear market leadership and its network effects.

CF Industries ( CF) downgraded at Citigroup to Neutral from Buy, Citigroup said. $194 price target. Dealers should end the season empty.

Darden Restaurants ( DRI) added to US 1 list at BofA Merrill. $62 price target. Improved earnings visibility should boost valuation.

Greif ( GEF) upgraded at JP Morgan from Neutral to Overweight, JP Morgan said. Valuation call, as the stock is down 27% over the past 8 months.

Harman ( HAR) rated new Underweight at Morgan Stanley. Coverage of HAR was started with an Underweight rating, Morgan Stanley said. Valuation call, based on a $40 price target.

Ironwood Pharmaceuticals ( IRDW) downgraded at Wedbush to Underperform from Outperform, Wedbush said. $8 price target. Updated launch expenses leads to significant anticipated funding gap.

Jabil Circuit ( JBL) downgraded at Needham from Strong Buy to Buy, Needham said. $29 price target. Valuation call, as the stock is up 33% year-to-date.

MetLife ( MET) added to US 1 List at BofA Merrill. $56 price target. Anticipate share buybacks and dividends will be substantial in 2012.

Sonoco Products ( SON) upgraded at JP Morgan from Neutral to Overweight, JP Morgan said. Stock has underperformed and industry fundamentals could be near a bottom.

Weyerhaeuser ( WY) upgraded at BMO to Market Perform from Underperform, BMO Capital Markets said. $23 price target. Expected recovery in the Chinese log market 2H12.

Zynga ( ZNGA) downgraded at JP Morgan to Neutral, JP Morgan said. Valuation call, based on a $15 price target.

STOCK COMMENTS / EPS CHANGES

Chesapeake Energy ( CHK) estimates raised at Oppenheimer through 2013, Oppenheimer said. Strong response to weak natural gas prices. Outperform rating.

Cooper Companies ( COO) numbers increased at BMO through 2013, BMO Capital said. Company will likely boost guidance. Market Perform rating and new $77 price target.

Darden Restaurants ( DRI) numbers upped at Credit Suisse. DRI estimates were boosted through 2014, Credit Suisse said. Company is realizing higher comp sales growth. Neutral rating and new $49 price target.

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