Hong Kong CNN Business — Taiwan’s latest entrant to Wall Street has had a rough ride since it went public a week ago. Shares of Perfect Corp., a software company that allows users to virtually try on makeup or jewelry from brands such as Estée Lauder, LVMH and Shiseido, have fallen more than 40% from their listing price since they began trading on the New York Stock Exchange a week ago. Perfect Corp. lends its technology to beauty and fashion brands. It uses augmented reality and artificial intelligence to help users test products online before they buy them. The firm’s…