Trading chief Troy Rohrbaugh and Marc Badrichani, the bank's global head of sales and research, delivered the message in conference calls on Wednesday morning, the Wall Street Journal reported earlier on Thursday.

Employees with child-care issues and medical conditions that raise their vulnerability to COVID-19 complications can continue working from home, according to the source.

(Reporting by Abhishek Manikandan in Bengaluru and Elizabeth Dilts Marshall in New York; Editing by Aditya Soni and Steve Orlofsky)