The Klein Law Firm announces the commencement of an investigation of SunPower Corporation (NASDAQ: SPWR) concerning possible violations of federal securities laws. The investigation concerns whether SunPower made materially false and misleading statements concerning customer trends and decline in demand for the Company's products. If you suffered a loss in SunPower and wish to obtain additional information, please contact Joseph Klein, Esq. by telephone at 212-616-4899 or visit http://www.kkclasslaw.com/SPWR-Info-Request-Form-159. Joseph Klein, Esq. is an experienced attorney and has also practiced as a Certified Public Accountant. Mr. Klein represents investors and participates in securities litigations involving financial fraud throughout the nation. Attorney advertising. Prior results do not guarantee similar outcomes.