SEI ▲ +6.3% - Solaris Energy Infrastructure, Inc. $SEI SEUSF SEI - KON-16, Angola: Execution of Definitive Transaction Documentation Solaris Energy Infrastructure shares rose 6.3% following the company's announcement that it has executed definitive transaction documentation for the KON-16 project offshore Angola, signaling progress on a significant development asset that investors viewed positively. 10-SEP-2026 02:05 AM ET