The Australian stock market opened slightly lower following falls on Wall Street overnight as the US budget stalemate entered its second week with the government partially shut down.
At the 1015 AEDT official market open, the benchmark S&P/ASX200 index lowered 0.32 per cent to 5,144.7 points, while the broader All Ordinaries index edged down 0.32 per cent to 5,143.9 points.
In economic news on Tuesday, the Australian Bureau of Statistics (ABS) releases figures for August overseas arrivals and departures as well as internet activity data for June quarter 2013.
The National Australia Bank's monthly business survey for September is due out.
ASX chief executive Elmer Funke Kupper is scheduled to speak at a business function in Melbourne on the topic of Competitive Australia, but, otherwise, no major equities news is expected.
In Australia, the market on Monday closed almost one per cent lower in thin trade, driven down by financial stocks amid uncertainty over the US debt situation.
The the benchmark S&P/ASX200 index was 46.9 points, or 0.90%, lower at 5,161.1.
The broader All Ordinaries index was down 45.3 points, or 0.87%, at 5,160.6