What do we know about the Silicon Valley and Signature Bank collapse?
Two US banks have collapsed and shares have tumbled prompting concerns on both sides of the Atlantic.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: What do we know about the Silicon Valley and Signature Bank collapse?

### Response: Two US banks have collapsed and shares have tumbled prompting concerns on both sides of the Atlantic.