CleanSpark grabbed headlines on October 20, 2025, after announcing a significant business expansion into AI computing. The Nevada-based company – known primarily as a Bitcoin miner – revealed it will start building and operating AI and high-performance computing data centers, effectively diversifying beyond pure crypto mining. This news sent CLSK stock sharply higher, with shares surging about 12–14% in intraday trading on Oct. 20news.bloomberglaw.commarkets.chroniclejournal.com. It marks a continuation of bullish momentum for CleanSpark: the stock had already been climbing thanks to the broader crypto rally, and the AI pivot added fuel to the fire. By mid-day, CleanSpark was one of the top gainers on the NASDAQ, and it closed the day with roughly a 9% gaingurufocus.com, near its highest price levels of the year.