The Fintech Nexus weekly news show covers the top stories in fintech. With Fintech Nexus LatAm approaching, we focused on Latin American fintech news.Last week's top stories:MercadoLibre in talks with WhatsApp on business messaging payments -CFOPIX could go international as Brazil’s central bank shares protocolsBrazil's Nubank announces $330 million equity capitalization in MexicoArgentine Fintech Ualá to Start Giving Personal Loans in MexicoBrazil postpones capital requirements deadline for ...