A woman walks past Santander bank branch in Rio de Janeiro October 7, 2009. Banco Santander (Brasil) SA shares started trade at $13.30 on the New York Stock Exchange, or 1 percent below its IPO price. On Tuesday, the bank, the Brazilian unit of Spanish bank Santander SA raised $8.05 billion in its initial public offering, the largest ever by a Brazilian company and the largest globally in 2009. REUTERS/Sergio Moraes (BRAZIL BUSINESS)