The Nokia Lumia 928 also comes with powerful Xenon flash to freeze the moment.

ENGADGET: Nokia announces the Lumia 928: 4.5-inch OLED display, OIS camera, xenon flash, available May 16th for $100 (video)

In a flash order, a firm wishing to buy or sell stock can elect to freeze the order on an exchange for as long as half a second.

WSJ: Ban on Flash Orders Is Considered by SEC