Click in the search field in the upper-left corner and type the ticker symbol. Press "Enter" to add the ticker to your watchlist.

(See image to the right).

1. Place the mouse pointer in any of the column headers to display the hamburger icon. 
   (3 stacked lines) icon). 
   
   
2. Click the hamburger icon to display the menu and click the "Tool Panel" option. (Tool Panel will then become checked).
   
   

3. Another window opens will open up with a complete list of all of the column headers to choose from. 

   
   

4. Click the box adjacent to the column header name. A blue box designates that the column header is active within the watchlist. A white box designates that the column header has been removed from the watchlist.

   (See the two images to the right).