Spodumene tumbled to $US3256 a tonne in the June quarter, down from $US4840 a tonne.
Pilbara says the weakness reflected a price war between Chinese carmakers.
It wants to be involved in the whole lithium supply chain, including processing.
Market reactions in the ASX lithium sector are often disproportionate responses to a small piece of market pricing, says Pilbara Minerals boss Dale Henderson.
Brad Thompson writes across business and politics from Western Australia for The Australian Financial Review. Brad is based in our Perth bureau. Connect with Brad on Twitter. Email Brad at brad.thompson@afr.com
