OSS ▲ +4.2% - One Stop Systems, Inc. $OSS - OSS Receives Award Supporting U.S. Missile Defense Agency One Stop Systems shares rose 4.2% today following news that the company received an award supporting the U.S. Missile Defense Agency. The contract award underscores demand for OSS's specialized computing and storage solutions in defense applications, a key market segment for the company. 16-SEP-2026 08:00 AM ET