- De La Rue, the world's largest banknote maker, issued a profit warning on Wednesday.
- The company said in a stock exchange filing that demand for banknotes is at a 20-year low.
- Central banks around the world snapped up banknotes during the pandemic and are working through stockpiles.
With demand plunging to a two-decade low, printing money isn't as lucrative as it used to be.
De La Rue, the world's largest banknote maker, issued a profit warning on Wednesday, flagging a lower demand for cash.