Ann: 2.2 Million Ounce Resource Estimate Transforms Morila, page-231

There is an old saying about the stock market

In the Short-Run, the Market Is a Voting Machine, But in the Long-Run, the Market Is a Weighing Machine

Our day will come.

TIE is at the PFS stage only, still to do the DFS, arrange finance, then spend US$230m to build the plant. Then they have to hope the recoveries (they quote a high 96%) work out to achieve their figures and there is no blow out in capex.
Stating the obvious, we have the plant, know the recoveries and made a profit last year - paid tax

And don't forget the World class lithium project