What results? Overnight interbank loan rates, yes, immediately. The effect of those rates on the economy? It will take time to propagate. Heck, some important committees only meet like twice a year.
Inflation numbers, companies firing, and the magnitude of fictional numbers on financial markets.
Lots and lots of things are slower to react, but those 3 are quite big and hard to ignore.
Here is data: https://fred.stlouisfed.org/series/JTSLDR
Inflation is a bit higher, but not shockingly so, here is the data:
https://fred.stlouisfed.org/series/CPIAUCSL#
In terms of "fictional numbers on wall street", I don't see any real data there, but if you have access to something then please share.