As a result, stock trading has taken on a much different character.
"We control 15 to 20 percent of the British market" for stock trading, he said.
The changes were announced after the close of stock trading.
Together, the two measures could have a major impact on stock trading.
The letter was released after the close of stock trading.
If such a fall did happen, all stock trading would halt, to be started again in 30 minutes.
The deal was announced toward the end of yesterday's stock trading.
James River announced the agreement after the close of stock trading.
And if the economy remains strong, he said, stock trading by individuals should rise.
The company announced the results after the close of regular stock trading.