Group 1 - Klabin shares in Brazil have posted a total return of 57% over the past 10 years, which is considered poor given the country's high interest rates [1] - The performance of Klabin's American Depositary Receipts (ADRs) in US dollars is even worse than the local shares [1] Group 2 - The analysis focuses on identifying undervalued stocks with growth potential, indicating a value investment approach [1]