Democratic Congress win impacts oil, semiconductor markets with price declines

A material, usually silicon, used to make the chips that process and store information in electronic devices.

Chips power everything from phones to cars, so their supply has become a strategic issue for governments.

The way geography, resources and power shape relations and rivalries between countries.

Geopolitical tensions influence trade, energy prices and security around the world.

A digital currency secured by cryptography and recorded on a blockchain, without a central bank issuing it.

Crypto prices are volatile, and governments are still deciding how to regulate it.