* BHP, Rio Tinto (LON:RIO) decline on lower iron ore prices
* Gold stocks gain on safe haven play
* a2 Milk Co top pct loser on both ASX200, NZX50 benchmarks
By Aby Jose Koilparambil
Aug 21 (Reuters) - Australian shares declined on Wednesday as a brief two-day streak of gains gave away to renewed worries about the global economy, with miners and retailers dragging down the broader market.
The benchmark S&P/ASX 200 index .AXJO fell 0.9% to 6,103.70 by 0100 GMT after gaining about 2.2% over the past two sessions.
Financial shares led U.S. stocks lower overnight to end a three-day rally as investors awaited comments from Federal Reserve Chair Jerome Powell at the end of the week. .N
Last week's inversion of the U.S. bond yield curve, which have presaged several past U.S. recessions, triggered a shakeout in financial markets worried about a slowdown in global growth. While signs of more policy support from China and Germany helped soothe nerves this week, lingering recession anxiety have kept investors on edge.
The heavyweight mining stocks .AXMM dented the Australian market, as Chinese iron ore futures fell for a fourth straight session on easing supply concerns, while stepped-up production curbs in top steelmaking city of Tangshan added more pressure. IRONORE/
Diversified mining behemoths BHP Group Ltd BHP.AX and Rio Tinto Ltd RIO.AX fell as much as 1.5% and 1.2%, respectively, while iron ore-focused player Fortescue Metals Group FMG.AX slipped 2.4%.
Retail stocks were also among major decliners in morning trade with the Australia-listed shares of New Zealand dairy firm a2 Milk Co A2M.AX plummeting about 13%.
The parent company of the dairy firm ATM.NZ tumbled 15% on the New Zealand bourse as it reported lower-than-expected annual profit on the back of higher marketing costs which ate into gains from robust Chinese sales. a major constituent of the benchmark, lost about 0.7% with all the 'Big Four' lenders trading lower between 0.5% and 1.1%.
Stockland Corp SGP.AX fell about 5% after its annual net profit slumped nearly 70%, and the residential developer warned on a softer performance for the 2020 fiscal year. of Australia's biggest casino operator Crown Resorts Ltd CWN.AX slipped 0.6% after it posted a 4.7% decline in annual profit, hurt by lower spending by wealthy Chinese gamblers. stocks, however, glittered as prices of the safe haven metal firmed above $1,500 and the sector-specific index for the bullion .AXGD climbed as much as 2.4%.
Major gold miner Newcrest Mining Ltd NCM.AX tacked on about 2.5%.
Across the Tasman Sea, New Zealand's benchmark S&P/NZX 50 index .NZ50 too snapped a two-day winning run to fall 1.6% to 10,625.98.
However, home builder Fletcher Building Ltd FBU.NZ outperformed the benchmark after it posted an annual net profit, compared with a year-earlier loss, boosted by increased sales and higher demand for its building products.