Show progress symbol in Portfolio

When you go into Portfolio, and especially when you go into the app for the first time that day, the Portfolio value starts as the value from the last session/login, then recalculates based on the current price.

I have a spread of shares in lots of companies right now, so I see the Portfolio update and sometimes it’s taking a good few seconds to complete, so you’re never quite certain if the overall value is accurate or subject to additional adjustment.

What I’d like is some kind of rotating circle/busy/progress indicator to show next to the Portfolio value, so you know when it’s being recalculated, and particularly once it’s done.