The following companies had unusual price changes in Sao Paulo trading. Stock symbols are in parentheses, and prices are as of the market close. Preferred shares are usually the most-traded class of stock.
The Bovespa Index fell 1.4 percent to 53,108.93.
Marcopolo SA (POMO4 BS), a Brazilian bus bodies manufacturer, and auto-parts maker Randon SA Implementos e Participacoes (RAPT4) rallied after Finance Minister Guido Mantega said Brazil will step up government purchases of vehicles as part of a plan to fuel growth. Marcopolo gained 6.3 percent to 8.63 reais, the most since May 21. Randon rose 3.1 percent to 8.99 reais in the steepest advance since June 19.
OGX Petroleo e Gas Participacoes SA (OGXP3 BS), the oil company controlled by the billionaire Eike Batista, plunged 25 percent to 6.25 reais after it cut production targets by as much as 75 percent at its first oil project after testing the reservoir off the coast of Brazil.
Suzano Papel e Celulose SA (SUZB5 BS) fell 7.5 percent to 4.07 reais, the lowest since December 2002. Brazil’s second-biggest pulp maker is pricing shares in a public offering after the market closes.