Healthcare stocks advanced 0.3% at midday Tuesday. The Reserve Bank of Australia is expected to announce the anticipated interest rate decision later on the same day.

Opthea (ASX:OPT) completed the final week-52 patient visit in Coast, the first of two phase three trials evaluating a combination therapy candidate for wet age-related macular degeneration, an eye disease that can blur vision.

On the other hand, energy stocks were down 1.7%. Woodside Energy Group (ASX:WDS) extended losses from the Monday trading session, after it implied its final dividend could fall below expectations by as much as 20%.

Woodside held talks with several potential buyers of stakes in its Louisiana liquefied natural gas plant, including Tokyo Gas, Japan's JERA, and MidOcean Energy, Reuters reported citing multiple sources.