We wrote a few times during the depths of March and April on stresses we were seeing in bond, credit and funding markets. It was clear things were not functioning correctly. It was equally clear that both monetary and fiscal policymakers were trying as hard as they could to counteract. Now that some time has passed much more detailed examinations are coming out that are well worth reading to get a better idea of how the plumbing works, and sometimes gets blocked.
The first is from the NY Fed Liberty Street Economics blog and details the Feds Large-Scale Repo program.
The second is in the Financial Times (paywall) and details the moves we witnessed in the US Treasury markets:
The third is from Josh Younger of J.P. Morgan writing for the Council on Foreign Relations:
All succinct and detailed pieces that will explain a lot of what went on.