#usa #investing - Anthropic AI Tool Sparks Stocks Selloff: Bloomberg

4 February 2026

A new AI automation tool from Anthropic PBC sparked a $285 billion rout in stocks across the software, financial services and asset management sectors on Tuesday.

The selloff started before the US market opened on Tuesday as traders pointed to a release on the Anthropic website as the reason behind steep declines in the shares of credit and marketing services company Experian, business and legal software maker RELX and the London Stock Exchange Group. 

Bloomberg Intelligence's Matthew Bloxham breaks down the situation.

Anthropic (ANTH.PVT)

Rudolph DeFelice, global head at Harbor Labs, joins BNN Bloomberg to discuss the company's move into legal and its effect on their stock.