Shares of Brazilian airline Tam SA (TAM +2.3%) and Chile's Lan SA (LFL +2%) gain as Brazil's...

|By:, SA News Editor

Shares of Brazilian airline Tam SA (TAM +2.3%) and Chile's Lan SA (LFL +2%) gain as Brazil's antitrust regulators begin their review of the proposed merger, and are expected to issue their ruling by the end of the day.