What the IPO slump means for America's entrepreneurs

The number of companies going public has been in a steady downward spiral. Last year, Fortune reported that the number of companies making the move had declined by a whopping 65 percent since 2014, while CNBC declared that "there are fewer listed companies in the United States today than there were in 1976." Sounds dire. But does this mean business growth in America overall is circling the drain? Are America's entrepreneurs running out of business ideas? Are small companies struggling to...