IAU

If the resource upgrade is 70% up, then you would expect the share price to jump proportionally. Nope! For this kind of stock, the fund managers are totally indifferent to it because it is not a producer yet.

I can't copy the link so you will just have to read the ASX announcement yourself.

Someday, a big miner would come along and scoop it up for pittance, especially if it has done the ground work well, like environmental/government approvals obtained, processing plant in good order and more gold and copper discovered.