Yes. To color a ticker, right-click on the ticker and select ‘Color’ from the menu, then choose the color from the menu that appears.
To color a group of tickers, use the CTRL/Command or Shift along with mouse clicks to select multiple tickers, right-click the selected group and select ‘Color’ from the menu. Then choose the color you want to use for all tickers in the selected group.
To remove the color from a ticker, right-click the ticker and select ‘None’ from the Color menu.
To remove color from multiple tickers at once, select the group of tickers as described in the first paragraph above and right-click the selected group and select ‘None’ from the Color menu.
To group by ticker color, find the ‘Group By’ option in the column header drop down menu.
