There is always a degree of volatility on investment markets. But there are times when world events raise the level of worry and uncertainty, causing markets to seesaw, sometimes violently, from one day to the next.

As investors, this sort of activity doesn't put us in our happy place. A slow and steady upward climb is what we'd all like to see.

This week let's take a look at some investing fundamentals and how they apply during periods of heightened volatility. I'm hoping they help dial back any anxiety you are currently feeling about your investments.

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