Signals

The US Labor Department rolled out a new website Tuesday to instruct employers and workers on how to ensure artificial intelligence technology doesn’t lead to discrimination or limit accessibility for disabled job seekers.

The US Justice Department sent subpoenas to Nvidia Corp. and other companies as it seeks evidence that the chipmaker violated antitrust laws, an escalation of its investigation into the dominant provider of AI processors.

A guide to how China, the EU and the US are reining in artificial intelligence.