Key Takeaways StoneCo shares have soared 44% in three months, outpacing major fintech peers and market indices.The company's divestment of non-core units sharpened focus on its BRL 100B fintech market opportunity.With robust ROE, rising client adoption and low P/E, STNE appears undervalued despite its rapid rally.Shares of StoneCo Ltd. (STNE) , the Brazilian fintech powerhouse, have surged an impressive 44% over the past three months, leaving both the S&P 500 composite’s 7.7% gain and the Internet–Software ...