To display stock information on Apple Watch, follow these steps: 1. First, Add the Stock Complication to the watch face. 2. Open Apple Watch App on your iPhone. 3. Tap My Watch > Stocks > Choose default Stock. 4. Now to choose the data you want to be shown, tap Current Price, Points Change, Percentage Change, or Market Cap, which is present below the default stock option. Note - The Apple Watch will only display the recent stock you viewed.