Last week (November 2 to 6, 2026), the ranking of the biggest declines on the B3 was led by BRAV3, which fell 15.64% and closed at R$ 15.54. Next came TEND3, down 15.44% (R$ 16.92), PRIO3, at -15.40% (R$ 60.48), and PETR4, at -13.94% (R$ 45.36).
Tenda (TEND3) reported net income of R$ 57.3 million in 3Q26 during the same week. PRIO (PRIO3) reported net income of US$ 521 million in 3Q26, up 468%, and production of 196.4 thousand boepd in October. For Petrobras (PETR4), Fitch upgraded its standalone credit profile to 'bbb+'. PetroReconcavo (RECV3), which fell 6.17% and closed at R$ 10.35, reported net income of R$ 236 million in 3Q26 and production of 22.5 thousand boe/day in October.
Among the other decliners, BB Seguridade (BBSE3) fell 7.45%, to R$ 38.24, after reporting net income of R$ 6.8 billion in 9M26 and revising its Brasilseg premium projection to -15% to -11%. Cogna (COGN3) dropped 7.59% (R$ 1.46), in a week when BlackRock reduced its stake to 5%. AZEV3 fell 7.50% (R$ 9.50), UGPA3 declined 6.27% (R$ 29.77) and SMTO3 dropped 4.31% (R$ 20.18).
| Stock | Company | Sector | Change | Close |
|---|---|---|---|---|
| BRAV3 | BRAVA | Oil, Gas and Biofuels | -15.64% | R$ 15,54 |
| TEND3 | TENDA | Cyclical Consumer | -15.44% | R$ 16,92 |
| PRIO3 | PRIO | Oil, Gas and Biofuels | -15.40% | R$ 60,48 |
| PETR4 | PETROBRAS | Oil, Gas and Biofuels | -13.94% | R$ 45,36 |
| COGN3 | COGNA ON | Cyclical Consumer | -7.59% | R$ 1,46 |
| AZEV3 | AZEVEDO | Industrial Goods | -7.50% | R$ 9,50 |
| BBSE3 | BBSEGURIDADE | Financial | -7.45% | R$ 38,24 |
| UGPA3 | ULTRAPAR | Oil, Gas and Biofuels | -6.27% | R$ 29,77 |
| RECV3 | PETRORECSA | Oil, Gas and Biofuels | -6.17% | R$ 10,35 |
| SMTO3 | SAO MARTINHO | Oil, Gas and Biofuels | -4.31% | R$ 20,18 |
Read the full reports
- PetroReconcavo (RECV3) reports production of 22.5 thousand boe/day in October
- PetroReconcavo (RECV3) names Peter Schlicht as VP of Subsurface
- PetroReconcavo (RECV3) reports net income of R$ 236 million in 3Q26
- Tenda (TEND3) reports net income of R$ 57.3 million in 3Q26
- PRIO (PRIO3) reports net income of US$ 521 million in 3Q26, up 468%
- BlackRock reduces its stake in Cogna (COGN3) to 5%
- BB Seguridade (BBSE3) reports net income of R$ 6.8 billion in 9M26
- Fitch upgrades Petrobras (PETR4) standalone credit profile to 'bbb+'
- BB Seguridade (BBSE3) reports net income of R$ 6.8 billion in 9M26
- BB Seguridade (BBSE3) revises Brasilseg premium projection to -15% to -11%
- PRIO (PRIO3) reports production of 196.4 thousand boepd in October
- BB Seguridade (BBSE3) opens nomination of candidate to the Board of Directors






