If you keep banging your head against the wall, presumably a lesson or two will creep into your cracked skull. But if those lessons are related to investing, the crowd suffers from a recurring and long-running bout of attention deficit disorder.
This is old news, of course, but it's also forever new, as a fresh batch of data from Dalbar, a research shop, reminds. Courtesy of The New York Times, we once again observe that the average mutual fund investor suffers from chronic, self-inflicted financial pain. As Jeff Summers reports:
Over the past year and