Nuance (NUAN) (OPTR) (PCYC) (DOW) (DUK) (ESL) Ratings, Price Targets

Nuance Communications Inc. (NUAN), Optimer Pharmaceutic (OPTR), Pharmacyclics, Inc. (PCYC), The Dow Chemical Company (DOW), Duke Energy Co. (DUK) and Esterline Technologies Co. (ESL) ratings and price targets.

Needham & Company reiterated its “Buy” on Nuance Communications Inc. (NUAN).

WJB Capital initiated coverage on Optimer Pharmaceutic (OPTR). They placed a “Hold” rating on the company.

RBC Capital downgraded Pharmacyclics, Inc. (PCYC) from an “Outperform” rating to a “Sector Perform” rating.

Citigroup (NYSE:C) reiterated its “Buy” on The Dow Chemical Company (DOW). They have a price target of $33.00 on the company.

FBR Capital upgraded Duke Energy Co. (DUK) from an “Underperform” rating to a “Market Perform” rating.

Wells Fargo & Co. (NYSE:WFC) upgraded Esterline Technologies Co. (ESL) from a “Market Perform” rating to an “Outperform” rating.