Hello and welcome to the intelligence from The Economist.

I'm your host, Jason Palmer.

Every weekday, we provide a fresh perspective on the events shaping your world.

Bolivia has the world's largest reserves of lithium,

an increasingly important element in an increasingly battery-powered world. We ask why the country hasn't yet made the most of its deposits and whether lithium could still turn its fortunes around.

And Poland has a refugee crisis on its border and tempers are flaring.

At a concert of the music of Frederick Chopin, a Polish composer who himself ended up in exile,

our correspondent finds Poles reminded of how much the refugee experience has influenced their culture.

But first... For weeks, there have been worries that Evergrand, a Chinese behemoth that's the world's most indebted property developer, would fail to pay its creditors.

If Evergrand were to fold, its fear the collapse would send shockwaves through the country's property sector and beyond.

Yesterday, at last, it did.

When it missed an interest payment on a sliver of its foreign bonds, the ratings agency Fitch said it was in what's called restricted default.

That will have reverberations throughout China's enormous property sector.

For foreign investors, it just adds to the drama.

A week ago, Didi, China's ride-hailing giant, delisted from New York's stock exchange,

heading for Hong Kong.

For Didi, there's a push and a poll here.

China is trying to draw its homegrown firms back home, just as American regulators squeeze

them abroad.

Hello, John.

Foreign public companies that are listed in the United States may be delisted if their

auditors do not comply with requests for information from U.S. regulators.

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