SANEPAR is trading 3.01% lower at BRL 7.72 on October 14; broader utility weakness is a plausible context, but no clear company-specific cause has been identified. - Brazil’s Ibovespa fell 1% on October 13, with utilities among the lagging groups and Sabesp down 3.1%; rising inflation expectations and restrictive interest rates were cited as pressures. - Sanepar’s IR page lists an October 13 notice about a regulatory consultation on tariff-adjustment methodology, but it has not been established as the cause.