Core Viewpoint - The article discusses the best U.S. stocks to buy under $20, emphasizing that low-priced stocks can still be high-quality investments, particularly in the context of diversification strategies in the current market [2][3][4]. Group 1: Investment Strategy - Investors are encouraged to diversify their portfolios by exploring sectors like financials, industrials, and utilities, which may provide cheaper exposure to growth themes like AI [3]. - The methodology for selecting stocks includes filtering for U.S. companies with a market capitalization over $2 billion and a share price under $20, focusing on those with an upside potential of over 20% [6]. Group 2: Company Highlights - CleanSpark, Inc. (NASDAQ:CLSK) reported a revenue of $766.3 million for Q3, marking a 102% increase year-over-year, and a net income of $364.5 million, recovering from a previous loss [9]. - CleanSpark anticipates an EPS of $0.18 for Q1 2026 and $0.23 for Q2 2026, with an annual guidance of $0.91 for 2026, while expanding its power and land offerings [10]. - Fermi Inc. (NASDAQ:FRMI) has an upside potential of 102.40% as of November 26, 2025, with a consensus Buy rating from analysts and a median price target of $32 [12]. - Fermi Inc. is developing a large AI data center campus in Texas, expected to deliver 11 GW of tenant-direct power and nearly 15 million square feet of data center shells by 2038 [14].