Shares of Regis Resources Ltd (RRL.AU) plummeted 5.04% during intraday trading on Wednesday. The Australian gold producer experienced significant selling pressure following a major corporate announcement.

The sharp decline comes after news that Regis Resources will take over smaller peer Vault Minerals to create Australia's third-largest listed gold producer. The combined entity is valued at approximately A$10.7 billion ($7.67 billion). Market participants often react negatively to acquisition announcements due to concerns about acquisition costs, integration risks, and potential dilution for existing shareholders.

While the deal positions Regis Resources as a major player in the Australian gold mining sector, investors appeared to focus on the execution risks and financial implications of the takeover. The market's negative response suggests concerns about whether the acquisition will deliver expected synergies and value for Regis Resources shareholders.