Bitcoin and altcoins pop to the upside, but upcoming macro events could cap the rally 
The FOMC's decision on Sept. 21 could cause traders to reduce their risk exposure, limiting the recent gains seen across the crypto market.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Bitcoin and altcoins pop to the upside, but upcoming macro events could cap the rally 

### Response: The FOMC's decision on Sept. 21 could cause traders to reduce their risk exposure, limiting the recent gains seen across the crypto market.