• by Joe Mandese , 5 hours ago

After surging into the double digits in February thanks to an assist from NBC's sales of the Olympics, Super Bowl and other high-profile sports, U.S. ad-market growth dipped back into the low single-digit rate in March, according to the latest edition of Guideline's U.S. Ad Market Tracker.

The U.S. ad market expanded a less-than-legendary 2.8% in March compared with the same month a year ago.