Opening https://portal.sina.com.hk/finance/sina/2024/01/18/713405/a%E8%82%A1%E6%B7%B1v%E5%8F%8D%E8%BD%89%EF%BC%81%E6%A0%B8%E5%BF%83%E9%BE%8D%E9%A0%AD%E5%AF%AC%E5%9F%BAmsci%E4%B8%AD%E5%9C%8Ba50etf%EF%BC%88560050%EF%BC%89%E5%A4%A7%E6%BC%B2%E8%B6%852%EF%BC%8C%E5%B0%BE/