The S&P/ASX 200 snapped a six-session slide, rising 19.8 points as a U.S. Treasury debt buyback initiative sent bond yields lower and boosted gold miners.

The Australian sharemarket advanced on Tuesday as investors braced for a pivotal Reserve Bank monetary policy decision and weighed mixed corporate earnings.

Equities brokers have issued ratings downgrades for five prominent ASX shares, including Endeavour Group and Northern Star Resources, following recent financial reports.

Australian equities face a lower open following a sharp slip in crude oil prices and a tech sell-off that stripped Nvidia of its top market cap ranking.