SHORT HILLS, N.J.--(BUSINESS WIRE)--Dun & Bradstreet (NYSE:DNB), the global leader in commercial information growing the most valuable relationships in business through data, has announced that second quarter 2015 earnings results are scheduled to be released after the financial markets close on Wednesday, August 5, 2015. A copy of the earnings release will be posted on Dun & Bradstreet’s investor relations Web site at http://investor.dnb.com. An earnings teleconference is scheduled for