Click the "Register for push notifications" button to allow this web app to receive push notifications. A browser prompt will appear and you should choose "Allow".
Click on any Notify checkbox to receive a push notification every time the price for that stock changes. NOTE: the stock with most updates is Ations Europe, but be ready to receive tons of notifications if you choose that...
Click on a stock name to open a popup window with streaming charts. From there you can set up another type of push notifications: insert a "high threshold" and/or "low threshold" to receive a notifications every time the stock prices crosses a threshold.
Close or hide this browser tab, but keep at least one browser window open (Chrome and Firefox only; not needed for Safari).
You will start receiving push notifications.
To unsubscribe from the notifications, reopen this web app, deselect the Notify checkboxes, and remove any threshold subscriptions.