Bitcoin mining stock prices fall for second week in a row

Market Overview - Bitcoin mining stock prices experienced a decline this week, continuing the downward trend from the previous week as the sector cools off after a record run [1][3] - Only two companies, Cipher Mining and Riot, saw stock price increases of 3.3% and 1.71% respectively, while the majority of bitcoin mining stocks reported losses [2] Stock Performance - The following companies reported stock price declines: Core Scientific (-0.44%), IREN (-1.22%), Hive (-1.63%), MARA (-4.91%), TeraWulf (-5.12%), Hut 8 (-8.22%), CleanSpark (-8.79%), Bitdeer (-9.78%), and Bitfarms (-14.71%) [2] - Despite the recent declines, bitcoin mining stock prices remain up on a monthly basis, with all but MARA showing double-digit returns [3] Industry Developments - October has been significant for bitcoin mining, with major funding rounds, strategic hires, and investments from sophisticated investors [4] - Jane Street disclosed a 5.4% stake in Bitfarms (29.9 million shares) and a 5.0% holding in Cipher Mining (19.7 million shares) [4] Company Initiatives - Bitfarms closed a $588 million convertible notes deal to fund North American AI and HPC infrastructure alongside its mining operations [5] - Hive Digital secured a 100 MW hydroelectric expansion in Paraguay, aiming for 35 EH/s by 2026, and partnered with Bell Canada to increase its AI cloud capacity [5] - CleanSpark appointed Jeffrey Thomas as SVP of AI Data Centers to lead the development of GPU-accelerated facilities [6] Executive Changes - MARA ousted its CTO amid scrutiny over its power-management services and off-grid growth plans, raising analyst skepticism about its AI-inference ambitions [6] Analyst Ratings - JonesResearch issued ratings on October 20, recommending "Hold" on Cipher, IREN, MARA, and CleanSpark, while giving "Buy" recommendations for Hut 8, TeraWulf, and Riot Platforms [7]