UPDATE: Citigroup Downgrades Anadarko Petroleum Following Release of Tronox Opinion

In a report published Friday, Citigroup analyst Robert S. Morris downgraded the rating on Anadarko Petroleum (NYSE: APC ) from Buy to Neutral, and lowered the price target from $108.00 to $86.00. In the report, Citigroup noted, “United States Bankruptcy Judge, Allan Gropper, in the U.S. Bankruptcy Court Southern District