Oct. 2 (Bloomberg) -- The following companies may have unusual price changes today in Latin American trading. Stock symbols are in parentheses and share prices reflect the previous close.

The MSCI Latin America Index fell 1.3 percent to 3,641.72. In Brazil, preferred shares usually are the most-traded class of stock.

Argentina

YPF SA (YPFD AF): Repsol YPF SA said its Argentine unit plans to invest $396 million to upgrade an oil and natural gas refinery in western Argentina. The project seeks to increase the quality of the refined fuel at YPF’s Lujan de Cuyo refinery, in the province of Mendoza, Sebastian Eskenazi, a YPF vice president, said in an e-mailed statement. YPF fell 1 percent to 144 pesos.

Brazil

Hypermarcas SA (HYPE3 BS): The Brazilian consumer products company said it acquired diaper brands Pom Pom and BigFral in Brazil for an undisclosed amount. Hypermarcas, which announced the transaction in a regulatory filing, rose 1.6 percent to 35.25 reais.

Iguatemi Empresa de Shopping Centers SA (IGTA3 BS): Scialpha Participacoes SA, a unit of the mall and commercial property operator, secured a credit line worth 90 million reais ($50.4 million) with Banco Bradesco SA, Iguatemi wrote in a regulatory filing. Iguatemi advanced 0.6 percent to 27.96 reais.

Rossi Residencial SA (RSID3 BS): The Sao Paulo-based homebuilder is selling 74.3 million new shares for 12.50 reais each or a total of 928 million reais ($520 million), according to data posted on the Web site of Brazil’s securities regulator. Rossi fell 6.7 percent to 13.3 reais.

Chile

Banco Santander Chile (BSAN CC): The country’s biggest lender probably will rise to 33.10 pesos next year, CorpResearch wrote in a note to clients, initiating coverage with a “hold” rating. Santander slid 3 percent to 29.51 pesos.

Mexico

Fomento Economico Mexicano SAB (FEMSAUBD MM): Latin America’s largest beverage company confirmed it’s in talks with several companies about opportunities involving its beer business. There is no certainty that the discussions will lead to a definitive agreement, the company said today in an e-mailed statement. Femsa, as the company is known, rose 13 percent to 57.80 pesos.

To contact the reporter on this story: Emily Schmall in Mexico City at Eschmall@bloomberg.net; To contact the reporter on this story: James Attwood in Santiago at jattwood3@bloomberg.net

Last Updated: October 2, 2009 01:49 EDT