FLY ▲ +0.7% - Firefly Aerospace Inc. $FLY - Firefly Aerospace Completes New Cleanroom to Accelerate Spacecraft Production Firefly Aerospace completed construction of a new cleanroom facility designed to speed up spacecraft production, a development that likely bolstered investor confidence in the company's manufacturing capacity and growth trajectory. The stock rose 0.7% on the announcement, reflecting modest positive sentiment around the operational expansion. 22-SEP-2026 12:50 PM ET