Overview of the exchange.
Company: Presented by ticker, name, or both. Choose format in the menu to the right (found under the index).
The overview is 15 minutes delayed.
You can choose how many levels you wish to view. Level 10 shows 10 winners and 10 losers, level 5 shows 5 winners and 5 losers, etc.
Last: Shows last realised quotes for the paper.
Change %: Shows the change in percent compared to yesterday's quotes.
Value: Shows the value of all today's trades in this paper.
If you need more help, try the general OBS/FAQ list.