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).

StockCompanySectorChangeClose
BRAV3BRAVAOil, Gas and Biofuels-15.64%R$ 15,54
TEND3TENDACyclical Consumer-15.44%R$ 16,92
PRIO3PRIOOil, Gas and Biofuels-15.40%R$ 60,48
PETR4PETROBRASOil, Gas and Biofuels-13.94%R$ 45,36
COGN3COGNA ONCyclical Consumer-7.59%R$ 1,46
AZEV3AZEVEDOIndustrial Goods-7.50%R$ 9,50
BBSE3BBSEGURIDADEFinancial-7.45%R$ 38,24
UGPA3ULTRAPAROil, Gas and Biofuels-6.27%R$ 29,77
RECV3PETRORECSAOil, Gas and Biofuels-6.17%R$ 10,35
SMTO3SAO MARTINHOOil, Gas and Biofuels-4.31%R$ 20,18

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BRAV3TEND3PRIO3PETR4COGN3Biggest Declines of the Week