I had a deja vu moment in the article, when the banks realized that the first one to sell would have an advantage. Then overnight they dumped their positions,

I had a deja vu moment in the article, when the banks realized that the first one to sell would have an advantage. Then overnight they dumped their positions, done by the time the market opened the next day. That is pretty much the plot of the excellent movie "Margin Call" (2011): https://en.wikipedia.org/wiki/Margin_Call https://en.wikipedia.org/wiki/Margin_Call