Leave this blank to have the symbols in the Market Watch window used. See example below:
This will define how many symbols/rows each column contains within the dashboard. Adjusting this is helpful if users either have ultra-wide or portrait orientation displays.
In this example, we used 18 as the value for the symbols per column since we loaded 52 pairs and wanted 3 rows to display evenly.
Change only when the default background colour is changed from black to a lighter colour.