Earlier quoted context omitted.
I've only been sorta paying attention so i could be wrong but trades were not suspended or halted? only buying was prevented, and only for some brokerages?
> Only buying was prevented, and only for some brokerages? The first part of that has been a common bit of misinformation. Opening new positions (either by attempting to buy shares of the stock, or entering into a new short position) is what was prevented. Closing positions (selling for owners of shares, or in the case of short obligations buying shares) was still allowed as closing reduces credit risk for the broker…
Edit: OK, I think the list I looked at is wrong. I meant Charles Schwab, but I don't know which one is _actually_ the largest.