Talk:Extended-hours trading

	This article is within the scope of WikiProject Finance & Investment, a collaborative effort to improve the coverage of articles related to Finance and Investment on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Finance & InvestmentWikipedia:WikiProject Finance & InvestmentTemplate:WikiProject Finance & InvestmentFinance & Investment articles
Mid	This article has been rated as Mid-importance on the project's importance scale.

Why three sessions[edit]

Why have they introduced the concept of Pre and Post Market Hours? What's the significance in making 3 sessions for doing the same work?