The stock speculation is perhaps the most remarkable barometer of his fame, since few here even knew that zoos had shares.
The sell-off accelerated when the government said last month that it begun investigating the widespread but illegal use of bank loans to finance stock speculation.
He went to London in 1816, but returned to Germany in 1820 after business adventures and stock speculations fell through.
Kennedy later claimed he knew the rampant stock speculation of the late 1920s would lead to a crash.
He moved into stock speculation and tripled his wealth, then apparently became a philanthropist.
But analysts said the demand was at least partly a case of pure stock speculation, not necessarily any long-term bet on Freeserve's future.
The psychology was very much like gambling, or stock speculation - you know in one part of your head it would make sense to get out.
Adams committed suicide by shooting himself after heavy losses in stock speculation.
The proposed bonds would multiply the hazards of stock speculation.