Commodity Prices: Iron ore price fluctuations directly impact Vale S.A.'s (CURY3F.SA) profitability, affecting its stock price.

Global Economic Growth: Strong global economic growth increases demand for iron ore, benefiting Vale and pushing CURY3F.SA higher.

Brazilian Economy: The overall health of the Brazilian economy influences investor sentiment and affects the performance of Brazilian stocks like CURY3F.SA.

Company Performance: Vale's production volumes, operational efficiency, and cost control measures directly affect its financial results and the stock price.

Regulatory Environment: Changes in mining regulations, environmental policies, and tax laws in Brazil can impact Vale's operations and stock value.

Exchange Rates: Fluctuations in the Brazilian Real against other currencies, especially the US dollar, affect Vale's revenue and earnings, influencing CURY3F.SA's price.

Investor Sentiment: General market optimism or pessimism, risk appetite, and investment trends impact demand for Vale's stock.

Dividends: Vale's dividend payouts and dividend policy can attract investors and influence the stock price.

Debt Levels: High debt levels can increase financial risk and negatively affect investor perception of Vale.

Environmental Concerns: Environmental disasters or concerns related to Vale's operations can severely damage its reputation and lower the stock price.