Intended to get lost in today's supreme court announcements, the House Financial services committee released their report on the 2021 January sneeze in the stock market and determined the DTCC waived a 9.7 billion margin call to prevent the collapse of Robinhood and potentially the rest of the financial markets confirming the markets are rigged.
https://financialservices.house.gov/news/documentsingle.aspx?DocumentID=409578
https://financialservices.house.gov/uploadedfiles/6.22_hfsc_gs.report_hmsmeetbp.irm.nlrf.pdf