Musk hints at Tesla robot army amid Tesla-SpaceX merger talks

The combination of two companies into one, often negotiated alongside an acquisition, where one company buys another.

Deals reshape industries and can affect prices, jobs and competition, so regulators often review them.

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.