Two former Goldman Sachs bankers sought advice from a feng shui master in 2016 on how to handle a US investigation into the looting of funds from the 1MDB sovereign wealth fund, one of the bankers, Tim Leissner, testified on Tuesday.

Leissner is the prosecutors' star witness in the Brooklyn Federal Court trial of Roger Ng, 49, who has pleaded not guilty to charges of conspiring to launder money and violate...