American households now have a total net worth of $83 trillion, but most families are still behind where they were in 2007. Americans’ total wealth has reached a record. According to a Federal Reserve report released Thursday, the net worth of U.S. households and nonprofit organizations rose to $82.9 trillion at the end of 2014. Much of that growth was driven by stocks, which grew in value by $742 billion during the final quarter of last year. The value of residential real estate also rose by $356 billion. However, these aggregate numbers from the Fed provide only a partial view...