Ratings on (BJRI) (CBEY) (CE) (CRK) (CSII) Upgraded by Analysts

Analysts upgraded ratings on BJ’s Restaurants, Inc. (NASDAQ: BJRI), Cbeyond (NASDAQ: CBEY), Celanese Co. (NYSE: CE), Comstock Resources Inc (NYSE: CRK) and Cardiovascular Systems, Inc. (NASDAQ: CSII) today.

Piper Jaffray (NYSE:PJC) upgraded BJ’s Restaurants, Inc. (BJRI) from a “neutral” rating to an “overweight” rating.

Raymond James (NYSE:RJF) upgraded Cbeyond (CBEY) from an “underperform” rating to a “market perform” rating.

Goldman Sachs (NYSE:GS) upgraded Celanese Co. (CE) from a “neutral” rating to a “buy” rating. They have a price target of $62.00 on the company.

Canaccord Genuity upgraded Comstock Resources Inc (CRK) from a “hold” rating to a “buy” rating. They have a price target of $40.00 on the company, up from $31.00.

Feltl & Co. upgraded Cardiovascular Systems, Inc. (CSII) to a “strong buy” rating. They have a price target of $14.00 on the company.