Australian shares have struggled to improve this week despite a positive start. -AAP Image
Australia's share market has wiped most of the week's gains in two sessions, as a rising greenback and global growth concerns dragged metals prices lower.
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The S&P/ASX200 fell 82.4 points on Friday, down 0.92 per cent, to 8,828.7, as the broader All Ordinaries lost 79.5 points, or 0.87 per cent, to 9,047.3.
The top-200 scraped a gain of less than 0.3 per cent for the week, after a four-day rally on the US-Iran peace deal disintegrated from Thursday as tumbling metals prices hammered local miners.
Only the energy sector, health care companies and consumer-facing stocks ended the week's final session higher.
The Aussie dollar is buying 70.04 US cents, down from 70.38 US cents on Thursday, as the greenback strength index sailed to 13-month highs as bets narrowed on incoming US interest rate hikes.