Goldberg advocates http://financeinlife.blogspot.com/2012/09/stocks-up-big-todaya-perfect-day-to.html
I don't know why nobody ever thought of this before. It's staggeringly brilliant. Silly me. All I've done is amass a sizable portfolio by dollar-cost-averaging through the years and rebalancing annually. I should have been doing this all along:
This is why my investment approach purchases high quality blue chip stocks when the market is in an uptrend and sells out of these investments when the market is topping out. The money is reinvested in other assets like Treasury Bonds, Real Estate, or Gold, etc at that time and then rotated back into the market once the sell off is over. In this approach you are never the victim of large market crashes.
I should have been buying low and selling high! Oh wait, isn't that what rebalancing does?