Cigna was hit with another consumer class action after its algorithm to evaluate medical claims allegedly automatically denied more than 300,000 requests without review.

Amazon.com faces a UK class-action lawsuit over claims that the tech giant uses a “secretive” algorithm to abuse its dominant position in the online marketplace.

UnitedHealth Group argued it should be released from a lawsuit that alleges its algorithm-based technology prematurely cut off care to its Medicare Advantage members.

Amazon has been accused of adopting a secret algorithm to raise prices in a way competitors would follow helping to boost their revenue by $1 billion, insiders claim.