Fortescue Metals and BHP are the latest big mining companies to reveal how much Tropical Cyclone Veronica has impacted their iron ore production.
Extreme weather conditions have hurt Rio Tinto's iron ore production and driven prices to their highest level in years, while weaker oil prices weighed on Oil Search's revenue over the March quarter.
Iron ore prices are tipped to stay much higher than budget forecasts, potentially handing the Federal Government a multi-billion-dollar windfall this financial year and next.
Analyst warns Cyclone Veronica's pummelling might hit the Australian economy with iron ore exports temporarily stopped from the world's largest bulk export port.
Is it a targeted policy to restrict imports, or "business as usual"? Analysts are divided about China's treatment of Australian thermal coal.
Every month for several years strong jobs data has kept the RBA on the sidelines. With conditions looking softer, a weak set of numbers this week may shift the balance towards rate cuts this year.
While seasonal conditions impacted the result, last month's collapse in China's imports and exports was far bigger than expected and points to serious problems in the global economy.
Wall Street again has a lacklustre session, but Australian shares are poised for moderate gains on surging iron ore prices as Chinese traders return from Lunar New Year holidays.
Brazil's latest dam disaster is a human and environmental tragedy raising questions about how mining giants store their waste, but it's also sending iron ore markets into a tailspin, raking in millions of extra royalties for government coffers.
Iron ore is now closing in on prices last seen five years ago, and while the spike may be temporary, some analysts see a shift to a supply deficit lasting well into next year.