When trading of a stock, bond, option or futures contract is stopped by an exchange while news is being broadcast about the security. See: Suspended trading.
Automated Pit Trading (APT) Introduced in 1989, APT is the LIFFE
screen-based trading system that replicates the open outcry method of trading
on screen. APT is used to extend the trading day for the major futures contracts
as well as to provide a daytime trading environment for non-floor trading
products.