Aug 25, 2026 – 1.20pmThis time last year, the country’s most prominent active fund managers were counting the cost of sitting out the dazzling rally in Commonwealth Bank shares as the lender’s ballooning weight in the S&P/ASX 200 punished investors who avoided the sharemarket’s most valuable company.Now, investors are facing a similar predicament after a surge in copper prices rocketed BHP shares to yet another record above $68 on Tuesday, cementing its title as the ASX’s most valuable company with a market capitalisation of $344.7 billion.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles