The U.S. Justice Department sued Volkswagen and laid out claims that could push penalties into the billions of dollars an opening salvo in a legal battle that could be far more costly for the German carmaker than had been expected.

Willis Towers Watson Plc, the company created this week by the merger of insurance broker Willis Group Holdings Plc and consulting firm Towers Watson & Co., said CFO John Greene is stepping down.

The past decade was volatile for personal lines insurers. However, during this period, 19 companies were standouts, leading their peers in both growth and profitability.