How to add stocks to your watchlist on the App:
On the [Market] page, after entering the chart page of the stock you want to add, click the star icon at the top right corner of the chart, and you can add this stock to your watchlist.

How to add stocks to your watchlist on the Web:
On the [Market] page, after entering the chart page of the stock you want to add, click the star icon at the top left corner of the chart, and you can add this stock to your watchlist.
