The Australian dollar added to gains after the central bank held policy rates unchanged, as widely expected. Oil fell on prospects for greater production by OPEC+, while China's manufacturing activity shrank for a sixth month in September.U.S. Vice President JD Vance said the government appeared "headed to a shutdown" after little progress in budget talks between President Donald Trump and Democratic opponents. A government closure would halt the issue of key employment numbers due this week, putting the spotlight on the Labor Department's JOLTS report on August job openings due later on Tuesday. MSCI's broadest index of Asia-Pacific shares outside Japan rose 0.3%, poised for a gain of 5.3% this month.