The U.S. economy is on solid footing except for one possible problem spot, based on Bank of America Corp.’s Chief Executive Brian Moynihan: leveraged loans a company the lender has dominated for a decade. Issues are emerging as the economic growth proceeds and gains are churned out by businesses, Moynihan said in New York’s Economic Club. His own bank has repeatedly stated it targets”responsible growth” and adheres to financing criteria it’s had for several years. But fund threatens to turn into a problem in the marketplace, he explained. “It will be awful for all those co.. .