The Repo Market's a Mess. (What's the Repo Market?)
A lot of cash flowed out of the repo pipes just as more securities were flowing in -- meaning that suddenly there wasn’t enough cash for those who needed it.
When plumbing works well, you don’t need to think about it. That’s usually the case with a vital but obscure part of the financial system known as the repo market, where vast amounts of cash and collateral are swapped every day.