https://www.reuters.com/article/us-equifax-cyber/equifax-slumps-after-data-breach-likely-hit-143-million-consumers-idUSKCN1BJ1NF

Shares of Equifax Inc tumbled 13 percent on Friday after the provider of consumer credit scores revealed that personal details of as many as 143 million Americans were likely accessed in one of the largest data breaches in the United States.