Yes, you can add a stock or ETF before entering an order.
From the Motif Overview page, click the “Customize Motif” link at the top right. Then click the “Add Stocks” link on the next page, which will open a new window.
Select any stock/ETF from the “Related Stocks” list on the new window, or click the “Search for Stocks to Add” tab to enter the ticker symbol of the stock/ETF you want, then click “Add”.
You’ll now see the stock/ETF added to the motif with a 0% weight that you can adjust.
Remember, a motif can only hold up to 30 stocks/ETFs. If you reach the maximum, you’ll need to delete some before you can continue.