Replies to post #39676 on Ariad Pharmaceuticals Inc fka ARIA

[Flobewan]

Depends on your broker, do a search for trade after hours and your broker name, or call your broker.

[STOCK_GAINER6]

The stock must be on of the Nasdaq-100-listed ones, and you need to be a registered high net-worth / institutional investor:

http://en.wikipedia.org/wiki/Extended_hours_trading

The pre- and after-hour trading might indicate a trend for the offical (next) trading session, but I would say it was originally designed, that during-official-session-unfilled orders can be executed by those investors.