WPP Drops After Projecting Slower Growth, Weak New Business

WPP Plc had its biggest drop in three years in London trading after saying business cooled last quarter in the U.K. and North America, the ad giant’s largest market, and reporting a slow start to 2017.

WPP Plc had its biggest drop in three years in London trading after saying business cooled last quarter in the U.K. and North America, the ad giant’s largest market, and reporting a slow start to 2017.