Taking Stock

Tiny magnetic dots locked deep in Boston's financial district hold the keys to $44 billion. The massive fortune is spread among seventy-five thousand customers and only the computers know exactly how the shares are divided at any given time. Millions are spent to keep the systems safe in their temperature controlled room and keep Internet-based hackers at bay. No one knows this better than the people assigned to safeguard this fortune. Erica Fletcher is one such guardian, buried by an insur...