Suzano S.A. (SUZB3.SA) stock price is influenced by several factors. Pulp Prices: As a major pulp producer, Suzano's revenue is directly tied to global pulp prices. Higher pulp prices generally lead to increased profitability and a higher stock price.

Exchange Rates: The Brazilian Real (BRL) exchange rate significantly impacts Suzano. A weaker Real can benefit Suzano as it exports pulp priced in USD, increasing BRL revenue, while a stronger Real can have the opposite effect.

Production Costs: Costs associated with pulp production, including raw materials, energy, and labor, affect Suzano's profitability. Efficiency improvements can positively impact the stock, while cost increases can negatively affect it.

Global Economic Conditions: Global economic growth drives demand for pulp used in various products like paper and packaging. A strong global economy generally supports higher pulp demand and Suzano's stock price.

Company-Specific News: Company announcements, such as earnings reports, production updates, acquisitions, or significant investments, can influence investor sentiment and the stock price.

Interest Rates: Changes in interest rates, particularly in Brazil, can impact Suzano's borrowing costs and investment decisions, affecting its profitability and, consequently, its stock price.

Sustainability Concerns: Growing environmental awareness and demand for sustainable products can impact Suzano's business and stock price. Positive sustainability initiatives can boost investor confidence.

Government Regulations: Changes in government regulations related to forestry, environmental protection, and trade can affect Suzano's operations and profitability.

Competitor Performance: The performance of Suzano's main competitors in the pulp and paper industry can influence investor perception and the stock price.