1) Banking term 
The underbanked are people or businesses that have poor access to mainstream financial services normally offered by retail banks. The underbanked can be characterized by a strong reliance on non-traditional forms of finance and micro-finance often associated with disadvantaged and the poor, such as cheque cashers, loan sharks and pawnbrokers. The ...
When an originating investment banker cannot find enough firms to underwrite a new issue.
Long position in a stock.