Shares of Nu Holdings (NU 1.16%) stock moved 29% higher in February according to data provided by S&P Global Market Intelligence. Investors were pleased with the progress reported in the 2023 fourth-quarter update, and they're excited about what the future holds.Sustaining incredible momentumNu has been reporting incredible results pretty much since going public. It's an all-digital bank based in Brazil, and it's focused on low-fee, easy-to-use products and services. These have become extremely popular, and ...