For months, detergent makers in the U.S. have been stuck in a deflationary vortex, as pressure from retailers forced them to lower prices and lower them again. That pressure, however, was not so evident in Europe where today, Unilever and Procter & Gamble agreed to pay fines to end a European Union investigation into allegations the companies colluded on the price of detergents, two people familiar with the decision said. According to Bloomberg News, the settlement and fines could be a...