The Pacific Stock Exchange closed its automatic execution system for five hours this morning and blamed transmission problems for the shutdown.

Battle Dex employs a "Wego" simultaneous execution system where turns are divided into a planning and executing phase.

Since 1990, a limit-order service permitting the matching of customer orders has been available to investors as part of Nasdaq's small-order execution system.

And remember, in the next part of this review, Ryan Paul will discuss the real-world execution of the Android 4 operating system.

The Pacific Stock Exchange halted trading on its automated execution system for nearly two days.

The improvements in Nasdaq's small-order execution system were designed to give individual investors the ability to circumvent bottlenecks that had overwhelmed the market last October.

These computer systems include automated execution systems for trading common stocks and information systems for common stocks and corporate bonds.

The proposals are designed to strengthen the N.A.S.D.'s small-order execution system and the commitment of market makers to these issues.

Both of these systems have formal representations and execution systems, but the rules put into the systems to create the models are generated ad hoc.

An automated trading strategy wraps trading formulas into automated order and execution systems.