Shares end week down as oil price, AI doubts hit miners

Raw materials stocks have dragged the bourse lower, the segment dropping almost eight per cent since Monday and down almost 20 per cent from late August's all-time highs. 

A rebound in the heavyweight financials sector helped limit damage at the index level, as dip-buyers sought shelter in recently neglected bank stocks.

The Australian dollar is buying 70.05 US cents, down from 70.12 US cents on Thursday at 5pm.