Several major agricultural irrigation projects are moving forward in the state's north, with Pardoo Beef Corporation and Argyle Cattle Company among the proponents.
A joint venture established by global waste management company Veolia and indigenous partner Our Country has been awarded a multi-million dollar contract covering Rio Tinto's entire Pilbara iron ore operations.
A second Supreme Court judgement in as many months has shed further light on the multi-billion dollar AVWest Aircraft business run by Perth rich lister Tim Roberts, who is in dispute with law firm Clayton Utz and Canadian manufacturer Bombardier.
Western Australia has recorded its first year-on-year economic growth in more than four years, while the national economy expanded 1 per cent in the March quarter, official figures show.
Metcash will take a $352 million hit in its full-year results due to weakness in the Western Australian economy and the decision of one of its South Australian supermarket customers not to renew its contract.
Brent crude have reversed losses, after hitting its lowest price in nearly a month following a report the US government asked Saudi Arabia and other major exporters to increase oil output.
Gold prices have risen as the US dollar has retreated slightly from close to a six-month high even as strong US economic data sealed the case for the US Federal Reserve to increase interest rates.
Global Construction Services has moved to full ownership of its fast-growing east coast subsidiary, Gallery Facades, through a scrip deal worth up to $11.3 million.
New vehicle sales in Western Australia have risen for a fifth straight month, according to the latest data from the Federal Chamber of Automotive Industries, with growth driven by SUVs and light commercial vehicles.
Australis Oil & Gas has secured a $US75 million ($98 million) credit facility with Macquarie Bank to fund drilling within the Tuscaloosa Marine Shale in the US.
The Reserve Bank has left the cash rate unchanged at 1.5 per cent for a 22nd consecutive month, as it waits for job growth and an improving economy to deliver a boost to wages and inflation.
Former Pilbara-focused property developer Veronica Macpherson has been permanently banned from providing financial services following an investigation by the corporate watchdog.
SPECIAL REPORT: One of WA's oldest craft breweries, John Stallwood's Nail Brewing recently tasted success on the international stage, winning a prestigious award in the US.
SPECIAL REPORT: Brewers are releasing increasingly innovative products as they aim to stay ahead of the game in a marketplace where competition is intensifying.
The Australian share market has opened lower, led by falls across the energy and materials sectors and bucking the trend of market gains internationally.
The Australian dollar has continued to climb against its US counterpart after positive retail sales figures boost the local currency and as the US dollar index falls.
Oil prices have fallen about two per cent, with US crude touching its lowest level in nearly two months, breaking below technical support levels as investors keep selling amid growing US production, possible global supply growth and nagging trade tensions.
US stocks rose on Monday led by gains in technology shares and Friday's robust jobs data, which gave investors heightened confidence that the US economy remained strong.
Western Australia's largest health insurer HBF and east coast counterpart HCF have ended discussions regarding a planned merger but neither has clearly explained the reasons.