quarter in the July-September period to the weakest since the depths of the global financial crisis, a Reuters poll showed. China releases its GDP figure on Thursday.
Copper output up
Outside of iron ore, BHP said its strategy of wide diversification in commodities was paying off.
The world's No.2 copper producer said production in the quarter rose 24 per cent from a year ago, with its majority-owned Escondida mine in Chile headed for a 20 per cent production increase in fiscal 2013.
Also, coal output rose by 20 per cent during the September 2012 quarter at its collieries jointly owned with Mitsubishi Corp.
Citi in a note said BHP's production data was in line with its estimates and maintained a buy recommendation on the stock, targeting A$36 a share. BHP shares were up 1.2 per cent at A$33.48 at 0320 GMT.
That doesn't mean big miners won't feel the pinch.
Citi estimates BHP's net profit will tumble to $12.8 billion in fiscal 2013 from $17.1 billion the previous year.