In the soybean market of Rio Grande do Sul, trading shows sluggishness in negotiations with a larger spread between selling and buying prices, leading producers to retain part of the production in storage facilities, according to TF Agroeconômica. "For payment in December, with delivery in December, the prices at the port were reported at R$ 144.00/sc weekly, while in the interior the references were around R$ 133.64/sc weekly in Cruz Alta, except for Santa Rosa at R$ 140.00 and Passo Fundo at R$ 139.00," comments