* Financial index set for best session since Sept 3
* Higher oil prices lift energy stocks
* RBNZ cash rate decision later in the day
Sept 23 (Reuters) - Australian shares gained more than 1% on Wednesday, tracking an overnight tech-led rebound on Wall Street, while easing border restrictions due to dwindling COVID-19 cases in Queensland and New South Wales also helped boost investor sentiment.
The S&P/ASX 200 index .AXJO climbed 1.3% to 5,861.70 by 0030 GMT. The benchmark closed 0.7% lower on Tuesday.
Major Wall Street indexes Dow Jones Industrial Average .DJI , S&P 500 .SPX and Nasdaq .IXIC all finished the previous session on a stronger note, led by a jump in Amazon AMZN.O following a stock upgrade to "outperform" by brokerage Bernstein. home, the state of Queensland said it would open its borders to parts of neighbouring New South Wales, the country's most populous state, amid growing confidence that a second wave of infections in the country has been contained. sentiment was also supported by the Reserve Bank of Australia's indication of it assessing various monetary policy options to support the country's economic recovery. healthcare index .AXHJ was top gainer, rising as much as 1.8% to its highest since Sept. 3, with drugmaker CSL Ltd CSL.AX rising 1.5%, and Healius HLS.AX advancing 2.6% to touch its peak in more than two years.
The heavyweight financial sector .AXFJ climbed as much as 1.5%, set for its best session since Sept. 3. Almost all the components of the index were trading higher, with the "Big Four" banks up about 1% each.
Energy stocks .AXEJ edged over 1% higher, helped by a rise in oil prices.
Santos STO.AX gained about 0.8%, while Woodside Petroleum jumped more than 1%.
The New Zealand benchmark S&P/NZX 50 index .NZ50 rose as much as 0.8% to 11,709.25, on track for its best session in nearly two weeks.
The Reserve Bank of New Zealand (RBNZ) is set to keep the official cash rate (OCR) unchanged at 0.25% on Wednesday for a fourth consecutive meeting, according to a Reuters poll.