But the Board of Trade is also grappling with its own venture into electronic trading.
This expanded into trading of maize and other foods for horses.
He soon moved into trading and dealt with "just about every commodity the company handled," he said.
Dave began pouring more energy into trading - reading analysts' reports for hours, motionless in his chair.
The trades done before the exchange was closed after the attack on Tuesday were incorporated into yesterday's trading.
Some Japanese companies have moved cautiously into trading or undertaking other direct economic relations with Israel.
About an hour into trading, losing stocks had exceeded advances by about 5 to 1.
That contract ended at $34.71, up $1.53 a barrel from Wednesday's close, and the enthusiasm spilled over into yesterday's trading.
The Government has begun an official inquiry into trading based on the illegal use of privileged information.
The mercantile exchange led the push into electronic trading in the early 1990's.