The reversal of re-hypothecation leveraging. When the loss in value of the underlying assets in the brokerage's account forces the reversal of when a broker pledges hypothecated client owned securities in a margin account to secure brokerage funds. The result being possible disappearance of the commingled funds from the client's account.
The bank's President could not account for his customers funds because their rehypothecated accounts had experienced de-hypothecation and as a result their value was no longer held by the brokerage. (i.e. 1. MF Global/JPM. 2. City of London and Euro collapse.)
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)