The continued strength of the stock market is being embraced by some investors, eagerly anticipating the long-awaited resumption of normality after the Covid era. Many others of a more skeptical disposition are watching in disbelief as they see a bubble of historic proportions continue to grow. This latter view is also being stoked by some apparently egregious examples of excessive speculation in certain technology stocks: the inexorable rise of Tesla and the DoorDash and Airbnb IPOs this week to name a few.