[abraxas]

Those techniques rarely worked in the past as the broad stock market retreat usually affects stocks across the board. The best diversification is into uncorrelated asset classes. But there is some art in determining what's likely to remain uncorrelated. Bonds and gold are usually decent guesses.

[jonfromsf]

They certainly solve the stated problem of concentration in a few tech companies. But I agree, non-tech companies are overvalued. Bonds are terrifying, they’re a bet against inflation and in favor of the US dollar. MLPs and oil companies are a nice place to stash money because they aren’t correlated with tech. MLPs flow about 7% tax free yield which isn’t bad. Bitcoin and Gold are good hedges against inflation.