I'm Nicole Lapin, the only financial expert you don't need a dictionary to understand.

It's time for some money rehab.

For your weekly roundup of the biggest headlines on Wall Street and how they affect you

in your wallet, I try to pick a handful of interesting stories that relate to the world

of business news, investing, and the economy.

But sometimes a story is so big that it needs a whole episode, and that's the case with

this week's story.

Treasury Secretary Janet Yellen's visit to China.

It follows the visit to China made by Anthony Blinken, the US Secretary of State, about a

week before.

And Yellen's trip will be followed by John Kerry, who is set to travel to China later

this month for talks on climate issues.

We don't have time to get into the entire history of US China, or sometimes as they're

referred to US Sino relations, but the heart of the US-China relationship is a financial

one with big implications for the American and global economies.

So let's take a look at some of the issues that made Yellen pack up her scarves, pop her

collar, and fly to the other side of the world.

To set the stage after decades of explosive growth and heavy investments in countries

around the world, China's economy is faltering.

And then that shall result from structural conditions like an aging workforce and an

increasingly unstable business environment.

These problems are hardly unusual, but what happens in China doesn't stay in China, because

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