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In a surprise move, Rio Tinto chief executive Jakob Stausholm is set to leave the mining giant later this year without a successor in place.

Fortescue’s troubled Iron Bridge magnetite operations are three years away from achieving production capacity, and the project is essential to billionaire Andrew Forrest’s plan to raise the iron content of its ore.

Wesfarmers boss Rob Scott says taxing unrealised gains on superannuation balances over $3m could set a precedent that is deleterious to the national interest.

Anthony Albanese will outline his economic priorities for the nation amid growing global uncertainty at an exclusive lunch presented by Sky News and The Australian at Crown Sydney on July 4.