Shares of BJ's Restaurants (BJRI) - Get BJ's Restaurants, Inc. Report  closed higher by 3.39% to $ 42.65 on Thursday, following a rating upgrade to "neutral" from "underperform" at Wedbush.

The upgrade comes after the firm's checks that indicated first quarter same store sales growth and potential for same store sales growth and margin improvement in the second half of the year.

Wedbush changed its price target on the company to $41 from $31.50.

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This story has been updated from its original publish time of 9:24 a.m.