Nu Holdings Ltd. (NYSE:NU) is among the 10 Best Mobile Payments Stocks to Buy Now. Nu Holdings Ltd. Announces Second Quarter 2025 Financial ResultsNu Holdings Ltd. (NYSE:NU) had an activity rate of 83.2% during the quarter, adding 4.1 million new clients to its total of 122.7 million. Nu Holdings Ltd. (NYSE:NU) had 107.3 million consumers in Brazil, accounting for more than 60% of the adult population. While we acknowledge the potential of NU as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk.