One reason for the drop is very likely the SEC sus
Post# of 22454
Traders probably got stuck with untradable shares in those companies and liquidated all their holdings to be safe. Drop had nothing to do with QTMM, IMO.
https://www.sec.gov/news/press-release/2021-35
Press Release
SEC Suspends Trading in Multiple Issuers Based on Social Media and Trading Activity
FOR IMMEDIATE RELEASE
2021-35
Washington D.C., Feb. 26, 2021 —
As part of its continuing effort to respond to potential attempts to exploit investors during the recent market volatility, the Securities and Exchange Commission today suspended trading in the securities of 15 companies because of questionable trading and social media activity.