If you've had a look at your bank account recently, you might have noticed your KiwiSaver's taken a bit of a hit.

With markets around the world down and Russia and Iran in a stand-off over the price of oil, global investments have taken a nasty hit.

But is it time to panic? Sam Stubbs, managing director at KiwiSaver provider Simplicity, joined Heather du Plessis-Allan to discuss what the turmoil means for your investments.

Listen here.