Market makers were asked to turn off their automatic trading programs.

"You'd better get that trading program set up quickly," added Wryan.

Computer-driven trading programs come into play during both up and down markets.

Next year, the company plans to make that trading program and its video game operation priorities.

The deadlines are one year before the unit becomes subject to the relevant trading program.

He drew on his scientific background to design trading programs for futures markets.

Permitted power generating plants may opt into the trading program.

"Either you have a national trading program or you don't," she said.

There are active trading programs in several air pollutants.

What common elements should a credible trading program have?