Financiers BGC Global will be banking on some unlikely new talent to raise funds.
Princes William and Harry are to become stockbrokers for the day at a 9/11 memorial, where they will hit the trading floor to raise money as part of the annual BGC Global Charity Day.
More top news
The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.
Thousands of people have donated to help the families of the victims - as well as a homeless man who came to their aid.
Some children, particularly those who have been more directly affected, may show symptoms of stress and trauma.