DUBLIN: In a trading update given at its annual general meeting in Dublin, WPP reported that worldwide revenue for the first four months of 2011 was up 6.2% over last year. This follows revenue that held stable in Q1 of 2010, but subsequent growth in the final three quarters, and into the first quarter of 2011.

Notably, revenues for branding and direct, digital and interactive communications are up 7% over last year, while revenue for PR and public affairs is up 5%. 

WPP expects ...