ASPI ▲ +2.1% - ASP Isotopes Inc. $ASPI - ASP Isotopes Hosts Inaugural Capital Markets Day and Provides Operational Update ASP Isotopes shares rose 2.1% following the company's inaugural Capital Markets Day and an operational update to investors. The event likely provided stakeholders with new details on the company's strategy, operations, and growth prospects that supported investor confidence. 08-SEP-2026 09:15 AM ET