JPMorgan Chase has built 1,000 new branches in seven years. That's more locations than most of its competitors operate in total. The bank is marking the milestone opening in Charlotte, North Carolina, on Thursday where Chairman and CEO Jamie Dimon is attending a ribbon-cutting ceremony. The firm has roughly 5,000 branches, the most of any American bank, according to Federal Reserve data from March. "It's a great marker for us to be able to say, you can see our commitment over time and we're on a marathon wi ...