Jabiru Metals has given the go-ahead for the $32 million development of a second operation at the Jaguar copper-zinc mine, located 300km north of Kalgoorlie.

Shares in Po Valley Energy more than halved today after the Perth-based company warned that production and reserves at its Castello gas field in Italy may fall.

Premier Colin Barnett has stood by his decision to force the resignation of Troy Buswell after the former treasurer today reversed his position, claiming he had not abused parliamentary entitlements during his affair with Greens MP Adele Carles.

Belmont-based Aurora Minerals has raised $15.5 million through a share placement, with funds to be applied to its Capricorn South East manganese project in the south of the Pilbara region.

Western Australia's economic recovery is tipped to be in full swing next year as the state prepares to carve out a steadily larger share of the country's population and economy, an economic forecast says.