A major US dairy company, which markets products for four co-ops will start selling products through Fonterra's online dairy auction system from October.

Average prices of dairy products fell to their lowest level since early December in Fonterra's latest online auction, adding to evidence the steam in coming out of global commodity prices.

Fonterra has named Dutch dairy executive Theo Spierings as its new chief executive.

Should we be worried that the commodity spike of the past few months has peaked?

For an investor, Fonterra warrants close attention..

Average prices of dairy products fell from a three-month high in Fonterra's latest online auction, as commodity prices and equity markets weakened on doubts about the pace of US economic growth and Greece's debt woes.

Agricultural sector seen moving from survival mentality to productive mode.