Another way might be to select a trade before the market closed but hold it in an open browser for execution until the direction of after hours trading became clear.

FORBES: Magazine Article

Tucked in a folder of largely unused items was Safari, a browser that opened onto the open web but few actually used it.

FORBES: An Internet Carol

Open a Web page, and your browser includes a single URL, but the page you are viewing is actually made up of content from all over the place.

FORBES: Facebook Outage Slowed 1000s Of Retail, Content Sites

To each his own, of course, but we'd much rather open apps this way than by scanning around for a bookmark in the browser.

ENGADGET: Chrome OS review (version 19)