Group 1 - Solaris Energy Infrastructure Inc. experienced a significant stock surge of 12.26%, reaching $57.78 in after-hours trading, following a regular session close at $51.47, which was down 4.21% [1] - Solaris Power Solutions LLC, a subsidiary of Solaris Energy Infrastructure, entered into a Master Equipment Rental Agreement with Hatchbo LLC to provide over 500 megawatts of power generation equipment for AI computing needs [2] - The rental agreement has a 10-year term starting January 1, 2027, with provisions for early termination by Hatchbo, requiring 30 days' notice and payment of 50% of remaining rental fees [3] Group 2 - Voya Financial Inc. disclosed a 5.2% stake in Solaris Energy Infrastructure, holding 2.54 million shares [4] - Solaris Energy Infrastructure has a market capitalization of $3.52 billion, with a 52-week high of $59.80 and a low of $14.27, reflecting an 88.74% gain over the past 12 months [5] - The company is positioned approximately 81.7% above its 52-week low, indicating strong long-term trend and potential for continued upside [5]