A rare earths producer backed by billionaire Gina Rinehart says greater transparency and regulation of short-selling is required to ensure Australia’s securities law is aligned with the federal government’s push to stimulate the critical minerals sector.

Arafura Rare Earths managing director Gavin Lockyer’s request for intervention came as Minerals 260 chief executive Luke McFadyen also threw his weight behind calls for bespoke regulation of short-selling, which were ignited last week by Chalice Mining CEO Alex Dorsch.