I think that massive buying frenzy on Friday was insiders taking positions ahead of news that they might have overheard in the hallway etc etc...
KAI Pilbara Minerals buys land off Kairos part of its York gold project for $20M – and a 2% royalty on any PLS gold sales
MND Albemarle lithium downsize burns $200M hole in Monadelphous's pocket as latter's contracts terminated