a sudden and unexpected spike
... that interest rates on repos, which are short-term loans between financial institutions, experienced a sudden and unexpected spike on September 17, 2019?
... that <a href="./Interest_rate" id="mwA8I" rel="mw:WikiLink" title="Interest rate">interest rates</a> on <a href="./Repurchase_agreement" id="mwA8M" rel="mw:WikiLink" title="Repurchase agreement">repos</a>, which are short-term loans between financial institutions, experienced <b id="mwA8Q"><a href="./September_2019_events_in_the_U.S._repo_market" id="mwA8U" rel="mw:WikiLink" title="September 2019 events in the U.S. repo market">a sudden and unexpected spike</a></b> on September<span id="mwA8Y" typeof="mw:Entity"> </span>17, 2019?