BANKS have stepped up pressure on regulators to soften a planned overhaul of prudential rules, with Westpac's chief executive, Gail Kelly, warning of "systemic risks" to the economy, including a slowdown in lending.

THE Californian gas supply dreams of Australia's biggest oil and gas producers are dead in the water.

SERIOUS doubts have been raised about the ability of regulators to impose effective disclosure of short-selling.

Now is a time for investors to be careful and for regulators to be vigilant, writes Ian Ramsay.

SIX days after his son, Micheal, was arrested and remanded on a criminal charge of failing to produce company documents to regulators, the bogus cancer therapist Paul John Rana finally turned himself in to the sheriff at the Federal Court this week.