MARA Holdings' (NASDAQ: MARA) shares have surged by almost 40% in the last month, attributed to the company's increased mining capacity and the rising value of Bitcoin. The company has also successfully raised $1 billion in convertible senior notes. MARA's revenue growth has been driven by its improved mining capacity, with its hash rate capacity increasing from 7.0 exahashes per second to 36.9. Despite fluctuations in annual returns, MARA's stock is expected to continue growing due to its improved mining capacity and lower valuation multiple compared to its average P/S ratio over the last three years. The article also mentions the preloading of resources for a video player, including a CSS stylesheet and an HLS script, and the use of an ID to render the player on the page. Additionally, Trefis Market Beating Portfolios are referenced.