Analysts at Sterne Agee downgraded Cree (NASDAQ:

) from “buy” to “neutral.” The target price for Cree has been lowered from $66.00 to $59.00. Cree's shares closed at $61.11 yesterday. Analysts at Jefferies downgraded Cigna (NYSE:

) from “buy” to “hold.” The target price for Cigna has been lowered from $78.00 to $5.00. Cigna's shares closed at $69.03 yesterday. Analysts at Stifel Nicolaus downgraded Crimson Exploration (NASDAQ:

) from “buy” to “hold.” The target price for Crimson Exploration is set to $3.75. Crimson Exploration's shares closed at $3.14 yesterday. Goldman Sachs downgraded AVG Technologies N.V. (NYSE:

) from “buy” to “neutral.” The target price for AVG Technologies has been raised from $18.00 to $18.50. AVG Technologies' shares closed at $17.48 yesterday.