Echo IQ is trading 8.47% down at A$0.54 on September 28, 2026, with the cause of the decline unclear. - No new company announcement or clearly identified catalyst for the day’s fall surfaced in the available announcement listings. - On September 17, Echo IQ said it was pursuing a path toward EchoSolv HF clearance after an NSE determination; that update was not linked to the September 28 share-price move.