Business

An influential group of lawyers in Delaware, home to more corporations than any other state, is gearing up to do battle with some of the largest U.S. companies over the increasingly busy industry of shareholder lawsuits.

A U.S. court decision limiting the ability of authorities to pursue insider trading charges is prompting two Democratic senators to call for legislation that would expand the definition of what types of activities are illegal.

Brazil's office of the comptroller general said on Wednesday it had opened a case against 10 additional firms that may be involved in a massive corruption scheme at state-run oil firm Petroleo Brasileiro SA.