The Brazilian stock market is controlled by BM&FBovespa, which was recently renamed Brasil Bolsa Balcão or B3 after a merger. It's the only stock exchange operating in Brazil and it controls the securities, commodities and futures markets. The exchange is headquartered in Brazil's most populous city and one of the biggest financial centers in the world, São Paulo. It lists many prominent multinational companies with a global reputation, that are actively traded such as Petrobras, Vale, Itaú Unibanco, Ambev and Natura.
It is ranked in the top 20 of the world for market capitalization and is number 1 in Latin America. The most important index of BM&FBovespa is Ibovespa, which tracks the performance of a portfolio of about 50 stocks. Those stocks represent 80% of the volume and 70% of the the stock value traded in the last 12 months. It is widely used and monitored to gauge the stock market's average performance. TradingView has tools like a stock screener and quotes dashboard to help traders find the best opportunities with Brazil's stocks.