Would the market have been down as much without program trading?

In the world of program trading, a $4 million order would not be a large one.

As it has almost daily, program trading was a big factor.

More than a hour of yesterday's activity, the research house said, was program trading.

Six months have passed and program trading is more controversial than ever.

Clearly, the time for debates on program trading has passed.

Once again, program trading played a leading role in the decline.

Most of this buying is, once again, related to program trading.

The reality was that the markets were moving too fast to do any such program trading.

But limited use of program trading has been allowed since Wednesday.

By coming late in the day, the wide premium did not set off much program trading.

Traders said there was some, but not much, program trading.

Some experts on program trading said that the worst might be over, however.

The instruments are often used in connection with program trading.

Program trading was heavy and small stocks picked up a bit.

But that's not to suggest that program trading was the primary cause.

Both rules tend to stop program trading under such circumstances.

Analysts said the increase was largely a result of program trading.

A large part of the gain was driven by program trading.

But officials decided last month to raise the target 15 percent due to the growth in program trading.

Such a system seems possible and could be based on a new statistic for program trading.

This is the issue when it comes to program trading."

The light volume made the market vulnerable to program trading.

Several factors help to explain the explosion in program trading.

But the statistics show that some program trading was taking place Monday.