On March 5, the law firm Scott + ScottAttorneysatLawLLP in the United States notified investors that a class action lawsuit against Canaan Technology (NASDAQ: CAN) and certain other defendants has been filed, involving suspected violations of the Securities Act of 1933 . Investors who have purchased the ADS related to the company's November 20, 2019 IPO and suffered significant actual or retained losses should contact the law firm. Earlier reports, on February 20th, investment analysis platform Marcus Aurelius Value released a bearish report on Canaan Technology. The next day, the American law firm Schall Law announced that it would conduct an investigation of Jia Nan Yunzhi. Later, the US law firm Rosen, Bragar Eagel & Squire posted notices looking for investors in Jia Nan Yunzhi, calling on investors to contact the law and file a class action lawsuit. On March 4, Canaan investor Phillippe Lemieux filed a class action in the Oregon District Court. In addition to suing Jia Nan Yunzhi, the plaintiff also sued its IPO underwriters Galaxy Digital, Huaxing Capital, Huatai Financial Holdings and CMB International Finance.