ForbesThe number of people living in U.S. cities has increased during the past few years, but at least 23 metropolitan areas experienced a decline in excess of 2 percent between 2010 and 2015. Data journalist Niall McCarthy writes that the fastest-shrinking city in the U.S. is Farmington, New Mexico. Also on that list is Pine Bluff, Arkansas.How will that affect your business? Is your city on that list? Read more