Turn it off at any cost. If you are forthcoming and transparent, customers will understand.
1) They bought too much stock (incorrectly)
2) realized WTF, stopped everything
2a) more likely their clients said WTF is wrong first
3) had to sell the stock for the rest of the day.
Its only after they sold everything did the $440MM price tag surface. Hopefully they sold most of their positions to goldman (instead free market) so one of their investors made a boatload of cash.. giving them favorable terms for a line of credit.