“I believe the NYSE and NASDAQ both halt stocks
Post# of 148181
ICPT, who is listed on the NASDAQ, dropped from a close of $77.46 on Friday, June 26th, 2020, to a close of $46.70 on Monday, June 29th, 2020. Basically, during 1 day of trading, the PPS decreased by over $30 and over 1.5 billion in market cap.
Yes, it happens on the largest exchanges as well.