WILMINGTON, Del.--(BUSINESS WIRE)--Andrews & Springer LLC, a boutique securities class action law firm focused on representing shareholders nationwide, is investigating potential breach of fiduciary duty claims against the Board of Directors of PetSmart, Inc. (NASDAQ:PETM) (“PetSmart” or the “Company”) relating to the sale of the Company to a consortium of investors led by BC Partners, Inc. (“BC Partners”). On December 14, 2014, the two companies announced the signing of a definitive merger