### Clue: Capital market's amount of business conducted before alleged scandal? (12)
### Answer: BILLINGSGATE 
 ### Explanation: Definition: Capital market
 BILLINGS(a measure of goods and services sold;the amount of business conducted) **plus**(before) -GATE(the suffix used to indicated an alleged scandal, originating from the Watergate scandal).
Defn: Fish market in the capital city of London.