This week's list of top stories in fintech: Brazil’s Nubank raises $2.6 billion in NYSE IPO Priced at $9 a share, at the top end of the range Raised $2.6b, largest IPO in fintech history Valued at $41b, the most of any financial institution in Latin America Brazil’s Nubank Jumps in Debut After IPO Raises $2.6 Billion NU priced at $9, opened at $11.25 and closed the day at $10.33, up 15% Nubank is now valued at $48b David Velez is now worth $10b, Cristina Junqueira is now a billionaire. ...