U.S. services industry growth slowed further in March, while a measure of prices paid by businesses for inputs dropped to a four-year low, which bodes well for the inflation outlook. The Institute for Supply Management (ISM) said on Wednesday that its non-manufacturing PMI fell to 51.4 last month from 52.6 in February. A reading above 50 indicates growth in the services industry, which accounts for more than two-thirds of the economy. Read this story