RYET ▲ +4.9% - Ruanyun Edai Technology Inc. $RYET - Ruanyun Deploys Cogni AI for Highway Infrastructure Records Ruanyun Edai Technology climbed 4.9% after announcing it has deployed Cogni AI to manage highway infrastructure records, a move that signals expansion into artificial intelligence-driven infrastructure management services. 23-SEP-2026 09:00 AM ET