There has to be a logical explanation. 19th Feb HGO announces...

There has to be a logical explanation.
19th Feb HGO announces announces "Australia's newest copper producer" and "First cash received from copper production"
22nd Feb Trading Halt.
The CEO had presented at the Fremantle Conference and *.

Unless an emergency had developed within this timeframe, the BOD and CEO would have been well aware that there was an issue that needed to be resolved. Clearly the selling pattern recently showed there was an issue and a trading halt much earlier would have been required to update the market.
If it were intended to raise capital to increase production, this would/should have been an integral part of the mining plan and known well in advance of the startup.

I can only conclude that, once production started, the product delivered to Freepoint was inferior, there was recognition that the copper price was insufficient to cover costs or there was a change of plan to suddenly ramp up production (possibly in response to a new investor). This is of course is Kite Flying, but there has to be an explanation for a total change of direction within such a short period of time.

Maybe they have sunk a drill into The Deeps and been pleasantly surprised.