Why am I not surprised Fung? It's been your MO to question EVERYBODY's strategy.
Look, I'll make it simple for you. I'm a buy and hold guy. It has served me well in my 401(K). Incredibly well actually.
I have another non-tax exempt account that I use for other things. But in my 401(k), I play it pretty conservatively. But then again, I'm just a dumb concrete contractor so what do I know?