U.S. Congressman Cleo Fields (D-Louisiana) has seen a significant return on his recent investment in Bitcoin mining stocks. Fields purchased shares in IREN Limited (NASDAQ: IREN) on July 10, 2025, with an investment ranging between $15,001 and $50,000. By the close of trading on Tuesday, the stock had surged 163%, prompting discussions about the timing and potential implications of such trades in the politically sensitive cryptocurrency sector.