<p>Cashew nut prices received by producers went up slightly in two of three of the most important producers states in Brazil in June, according to a new monthly report issued by the country's National Supply Company (CONAB).</p> <p>Producer prices in Piauí and Ceará went up by one centavo to BRL1.44 (USD3.22) and BRL1.51 per kg, respectively. On the other hand, prices in the state of Rio Grande do Norte remained unchanged at BRL1.58/kg.</p> <p> </p>