Index of 500 largest companies in the Australian equities market HIGHLIGHTS Barton's ASX-listed equities join S&P Global index of Australia's 500 largest public companies Index rebalancing completed pre-market today, 22 September 2025 ADELAIDE, AU / ACCESS Newswire / September 21, 2025 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to confirm that Barton's Australian Securities Exchange (ASX) listed shares, with ticker symbol 'BGD', have today become a member ...