Permira-backed womenswear retailer Reformation targets $1 billion valuation in US IPO
(Refiles to capitalize subhead) By Pragyan Kalita July 20 (Reuters) - Permira-backed womenswear retailer Reformation is targeting a valuation of up to $1 billion in its U.S. initial public offering, marking a rare public-market foray for a fashion brand in recent years. 
