First Trust, the Wheaton, Illinois-based sixth-largest US issuer of exchange-traded funds, recently gave a global twist to its domestic IPO-focused ETF, the First Trust US IPO Index Fund (FPX). The newly launched First Trust International IPO ETF (FPXI) aims to replicate the success FPX, which was launched in 2006, but found favor with investors only at the start of 2013 …