What you can learn from Greece's default and China's stock market dive

If you've been watching the news of late, you will have noticed two global issues that have captured finance headlines. The first is Greece "defaulting" on loans that are now due.

The second is the Chinese stock market losing over $2 trillion in value over the last two weeks. Yes folks, that's a trillion with a t.

I'm not an expert in the world of finance, but having now read and listened enough to get a basic grasp of what's going on, I do know one thing.