 Radnor, Pennsylvania--Newsfile Corp. - June 5, 2021 - The law firm of Kessler Topaz Meltzer Check, LLP reminds investors of Canaan Inc. NASDAQ: CAN Canaan that a securities fraud class action lawsuit has been filed on behalf of those who purchased or acquired Canaan American Depositary Receipts ADRs between February 10, 2021 and April 9, 2021, inclusive the Class Period.Investor Deadline Reminder: Investors who purchased or acquired Canaan ADRs during the Class... 