Opening https://portal.sina.com.hk/finance/sina/2024/03/21/784973/%E5%A4%AE%E8%A1%8C%E9%87%8B%E6%94%BE%E9%99%8D%E6%BA%96%E6%96%B0%E4%BF%A1%E8%99%9F%EF%BC%81a50etf%E8%8F%AF%E5%AF%B6%EF%BC%88159596%EF%BC%89%E5%8D%88%E5%BE%8C%E5%86%8D%E6%94%BE%E9%87%8F%EF%BC%8C/