Pilbara Minerals and most other lithium oxide producers have...

Pilbara Minerals and most other lithium oxide producers have been making huge profits when Li2O was about $8,000 a tonne and even now at current prices of about USD$ 1670 a tonne are still hugely profitable. PLS has a cash cost of about A $ 600 -700 a tonne and the current price is AUD$ 2500 + a tonne. And that's not profitable -tell it to the marines.

You really are struggling - why don't you do a couple of years serious research and then we might be able to have an intelligent discussion.

You shouldn't be investing in junior explorers with such a basic lack of knowledge.