Mirrabooka profit jumps 41pc

Mirrabooka declared a 3.5 cent interim dividend.

Mirrabooka has lifted its half year profit to $5.5 million in the first half due to a small and mid-cap investor trading turnaround.

The rout in bitcoin is part of a broader selloff in the cryptocurrency realm.

Cryptocurrencies are selling off

Bitcoin has slumped, dragging down smaller rivals such as ether and litecoin, as concerns that regulators will tighten their grip on the market weigh on the the world's largest cryptocurrency.