Banks lent the fund money assuming they could pocket lending fees and manage any risks along the way. Last week it did not play out that way. The shares of Viacom involved fell fast and the losses were apparently large enough that some of the banks involved either could not or did no swiftly exited their positions.
Japanese bank may have lost $2 billion dollars last week, potentially as a result of Bill Hwang’s Archegos Capital Management.
The initial movements against Archegos were unpleasant. The share price declines been magnified by banks had to sell down stock to recoup potential losses, throwing large blocks of shares into the market causing unusual volume.