Vanished $4 Billion Brings Down Century-Old Retailer in a Week

Hours after revealing a scandal that would roil Brazilian markets, Sergio Rial joined a Zoom call with hundreds of panicked investors. It was an attempt to explain the $4 billion accounting gap that pushed him to quit his new job at the helm of retailer Americanas SA.

The Jan. 12 call was a tumultuous mix of English and Portuguese that some analysts were locked out of because the meeting reached its 1,000-participant capacity. Those who were able to cram into the headquarters of Banco BTG Pactual SA — the Sao Paulo-based creditor that was hosting the event — were ...