Chemist Warehouse is a potential stock market darling, but a much anticipated public float may yet be trumped by a trade sale. One of the biggest privately owned enterprises, the retail pharmacy has been steadily working towards an initial public offering stretching back past 2018, but is yet to confirm a listing on the Australian Securities Exchange. My Chemist Retail Group, which runs Chemist Warehouse and My Chemist, has an estimated 21.1 per cent share of Australia’s $21.8 billion-a-year p