Andrew Forrest’s misfiring magnetite division and hardball negotiating tactics from the centralised buyer have taken the shine off record production.

Sage Capital and Ten Cap are among an army of funds betting against Andrew Forrest’s mining empire, while short interest in Rio Tinto and BHP is at the highest level in years.

Andrew Forrest’s misfiring magnetite division and hardball negotiating tactics from the centralised buyer have taken the shine off record production.