UNITED STATES

South America's second-largest economy is battling American creditors in New York courts -- here's an explainer on the whole imbroglio.

Afghanistan has a trillion dollars worth of assets, but security and corruption concerns dissuade would-be investors.

The Pirate Bay tends to attract malicious advertisers, and administrators have either failed to do their due diligence or simply ignored the risk.

The Islamic State group used to make millions a day from oil, but after U.S. and allied planes bombed refineries, that money is gone.