Zhi Tong Cai Jing·2025-09-26 14:40Core Viewpoint - The U.S. regulatory scrutiny on companies announcing digital asset purchase plans has led to significant declines in the stock prices of several cryptocurrency mining firms, indicating potential concerns over insider trading and market manipulation [1] Group 1: Market Reaction - Cryptocurrency mining companies such as IREN Ltd, CleanSpark, and Cipher Mining experienced notable stock declines, with IREN Ltd dropping over 11%, CleanSpark falling over 8%, and Cipher Mining decreasing more than 3% [1] - The scrutiny from U.S. regulators has raised alarms about unusual trading volumes and sharp price increases prior to announcements related to digital asset strategies [1] Group 2: Regulatory Actions - The SEC and FINRA have reached out to over 200 companies that announced digital asset strategies this year, expressing concerns about abnormal trading activity before public announcements [1] - Legal experts suggest that such communications from regulators often indicate the beginning of deeper investigations into potential insider trading [1] Group 3: Industry Trends - A surge of companies announcing cryptocurrency reserve strategies has been observed, with many emulating the approach taken by Strategy, which raised funds through stock and bond issuance to purchase Bitcoin and other digital tokens [1]