THE Ibovespa closed this Monday (31) with a strong increase of 1.00%, to 177,418.78 points. At the day's high, the main indicator of Brazilian Stock Exchange (B3)  It reached 178,585.94 points; at its lowest point, it fell to 175,664.62 points. Of greater weight in the composition of B3Vale (VALE3) It fell 0.93%, while the shares of Petrobras (PETR3; PETR4) They recorded significant gains of 4.23% and 3.38%, respectively. Most of the major banks ended the day in positive territory: the Itaú (ITUB4) recorded a gain of 0.84%; the Bradesco (BBDC4) it appreciated by 0.64%; the Banco do Brasil (BBAS3) recorded an increase of 2.83%; and the BTG Pactual (BPAC11) It rose 2.11%. Only the Santander (SANB11) It fell by 1.50%. In Wall StreetThe main stock market indicators closed the day in negative territory. Dow Jones Industrial Average (DJIA) It fell 0.70%, to 53,185.90 points; the S&P 500 It fell 0.33%, to 7,686.14 points; and the Nasdaq The index fell 0.12%, to 26,370.89 points. In this trading session, investors reacted to new polls regarding the 2026 presidential race. A BTG/Nexus survey showed President Luiz Inácio Lula da Silva with 39% of the vote intention in the first round, against 33% for Senator Flávio Bolsonaro. In a possible second round between the two, Lula appears with 46%, compared to 45% for Flávio, configuring a technical tie. Meanwhile, the AtlasIntel/Bloomberg poll showed Lula with 47.1% and Flávio Bolsonaro with 42.6% in a second-round scenario. The president's advantage fell from 6.3 to 4.5 percentage points compared to the previous survey, released in July. In the first round, Lula appears with 43.4%, against 33.7% for Flávio. In the economic scenario, the Central Bank (BC) announced Focus Bulletin with financial market projections collected up to Friday (28). The estimate for the National Consumer Price Index (IPCA) in 2026 it decreased from 5.02% to 5.01%, while the growth forecast of Gross Domestic Product (GDP) It fell from 1.95% to 1.92%. The market maintained its projection for the dollar at the end of 2026 at R$ 5.20, as well as its estimate for the Selic rate, at 13.75% per year. The Central Bank also reported that… Gross General Government Debt It rose to 82.5% of GDP in July, the highest level since April 2021. Abroad, investors followed a new escalation of the conflict between the United States and Iran, after the resumption of attacks between the countries. US President Donald Trump promised a response after Iran launched missiles against two US air bases in Jordan, in reaction to an attack on the Iranian island of Larak. "We will attack them hard. There will be a response," Trump said, according to a Fox News reporter.

This text was translated by machine from Brazilian Portuguese.