To create a new watchlist, go to Dashboard --> click on Watchlist -->Click Create New Watchlist --> Then add stocks

You can also select the metrics you wish to track for the stocks in your watchlist by clicking the metrics inside the columns area on the left side of the screen. 

From the Dashboard area, you can also set alerts for your watchlists by selecting the watchlist you want to track and the scenarios you want to receive alerts for, for those watchlists.