SYDNEY, AAP – Investors have sent shares falling to their biggest loss since February on the Australian market.

Shares lost 1.9 per cent and the mining giants were among the chief victims.

BHP, Fortescue and Rio Tinto lost more than three per cent.

The benchmark S&P/ASX200 index closed lower by 134.3 points, or 1.9 per cent, to 6931.7 on Wednesday.

The All Ordinaries closed down 133.4 points, or 1.83 per cent, to 7165.7 points.

The declines followed wide-ranging selling on Wall Street earlier.

The Australian dollar was buying 77.89 US cents at 1620 AEST, lower from 78.02 US cents at Tuesday’s close.