At a guess I would say it's people moving funds into Peter Wall's other stocks looking for tech backdoor listings - DUO and GAL.
MND Albemarle lithium downsize burns $200M hole in Monadelphous's pocket as latter's contracts terminated
KAI Pilbara Minerals buys land off Kairos part of its York gold project for $20M – and a 2% royalty on any PLS gold sales