The Klein Law Firm announces the commencement of an investigation of Advance Auto Parts, Inc. (NYSE:AAP) concerning possible violations of federal securities laws. On August 15, 2017, Advance Auto Parts reported disappointing second quarter results, including flat comparable store sales for the quarter and reductions in financial and operational guidance for fiscal year 2017. On this news, shares of Advance Auto Parts fell $22.24 per share from its previous closing price to close at $87.08 per share on August 15, 2017. If you suffered a loss in Advance Auto Parts and wish to obtain additional information, please contact Joseph Klein, Esq. by telephone at 212-616-4899 or visit http://www.kkclasslaw.com/AAP-Info-Request-Form-257. Joseph Klein, Esq. represents investors and participates in securities litigations involving financial fraud throughout the nation. Attorney advertising. Prior results do not guarantee similar outcomes.