Billionaire investor Nelson Peltz says money flying out of banks is dangerous. Here's his idea for the Fed that he says will stop more bank runs

• Nelson Peltz sees a way to stop customers from yanking money from small banks following SVB's implosion. 
• Depositors who want their accounts covered beyond the FDIC's $250,000 limit could pay a premium. 
• For example, customers could pay a small percentage of their CD rates, he told CNBC on Monday.

Billionaire and activist investor Nelson Peltz has an idea for how to staunch the bleeding of deposits from US regional banks after the blow-up of Silicon Valley Bank.