https://www.reuters.com/article/us-carlyle-group-ipo/carlyle-backed-software-firm-wingarc1st-launches-172-million-ipo-idUSKBN2AI14V >Japan's software company WingArc1st Inc, which is backed by U.S. buyout firm Carlyle Group Inc, on Thursday launched an initial public offering (IPO) worth up to 18.2 billion yen ($171.8 million), a regulatory filing showed.