Nu Holdings Ltd. (NU) has had an impressive run this year. The stock has surged 52.7%, significantly outperforming the 22.6% rally of its industry.NU’s upward trajectory can be attributed to the company's robust business model, characterized by a strong brand, efficient cost structure and improving monetization strategies.Image Source: Zacks Investment ResearchAs of the last trading session, NU’s stock closed at $12.87, close to its 52-week high of$13.64. Additionally, it is trading above its 50-day moving ...