The share price of Solaris Energy Infrastructure, Inc. (NYSE:SEI) surged by 13.16% between September 25 and October 2, 2025, putting it among the Energy Stocks that Gained the Most This Week. Solaris Energy Infrastructure (SEI): Among the Energy Stocks that Gained This Week Solaris Energy Infrastructure, Inc. (NYSE:SEI) designs and manufactures specialized equipment for oil and natural gas operators in the United States. Solaris Energy Infrastructure, Inc. (NYSE:SEI) continued its rally and surged to an ...