World's Largest Ad Company Crashes After Dismal Earnings, "Terrible" Guidance

If yesterday's tape bomb came courtesy of the most prominent UK subprime lender, Provident Financial, which plunged over 70% after it gave a "clearly awful" business update coupled with the resignation of its CEO, today's market shock belongs to ad giant, WPP, whose shares crashed the most since 2000 after the world’s largest advertising company cut full-year revenue forecast amid lower spending by customers, while reporting dreadful Q2 earnings.