Life (LIFE) (KMR) (KWK) (LPX) (DBLE) (DEI) Ratings, Price Targets

Life Technologies Corporation (NASDAQ: LIFE), Kinder Morgan Management LLC (NYSE: KMR), Quicksilver Resources Inc. (NYSE: KWK), Louisiana-Pacific Co. (NYSE: LPX), Double Eagle Petroleum Co. (NASDAQ: DBLE) and Douglas Emmett, Inc. (NYSE: DEI) ratings and price targets.

Kinder Morgan Management LLC (KMR) was downgraded by Zacks Investment Research from a “neutral” rating to an “underperform” rating.

Quicksilver Resources Inc. (KWK) was downgraded by Macquarie to an “underperform” rating.

Louisiana-Pacific Co. (LPX) was downgraded by Zacks Investment Research from a “neutral” rating to an “underperform” rating.

Double Eagle Petroleum Co. (DBLE) was upgraded by Zacks Investment Research from an “underperform” rating to a “neutral” rating.

Douglas Emmett, Inc. (DEI) was upgraded by Raymond James (NYSE:RJF) from a “market perform” rating to an “outperform” rating.

Life Technologies Corporation (LIFE) had its “neutral” rating reiterated by Citigroup (NYSE:C).