The Federal Funds rate was 0% the whole time, and the Prime rate stayed at 3.75%, so it seems that investor fear was the cause.
What caused them to be afraid?
Here shows how two big junk bond ETFs fell in that time frame:

The Federal Funds rate was 0% the whole time, and the Prime rate stayed at 3.75%, so it seems that investor fear was the cause.
What caused them to be afraid?
Here shows how two big junk bond ETFs fell in that time frame:
