1 MIN. DE LECTURA
SAO PAULO, Feb 20 (Reuters) - Preferred shares of Grupo Oi SA fell in opening trade on Thursday after the Brazilian telecommunications company said it aimed to raise about 14 billion reais ($5.9 billion) in a share offering.
At 10:04 a.m. (1304 GMT), Grupo Oi shares were down 2.38 percent at 3.69 reais.
$1 = 2.39 Brazilian reais Reporting by Asher Levine; Editing by Lisa Von Ahn