Matt Levine is a Bloomberg Opinion columnist. A former investment banker at Goldman Sachs, he was a mergers and acquisitions ...

The basic idea is that you organize your portfolio and determine its asset allocation based on your proximity to needing the funds in that portfolio. For retirees with cash flow needs, ...

The basic idea is simple: Private equity firms make their money by buying companies, transforming them and selling them — hopefully for a profit. But what sounds simple often leads to disaster.