This Latin American fintech is growing at a staggering pace. Is it time to buy? Nu Holdings (NU 1.21%) dominates the Brazilian banking market and has a massive growth opportunity across Latin America to serve unbanked and under-banked populations. The Brazilian fintech has taken investors on a volatile ride since its 2021 initial public offering (IPO) as it grapples with growth in the emerging-market economy. In the last year, Nu stock has surged 53% higher. As Nu aims to replicate its success across other ...