... I'm sure an AA plan would help investors who are quite "disciplined" but then I am not. Actually hardly. My current AA plan is quite simple 50/50 equities/fixed income. But then do I sell my bond fund (which is in a doldrum now) so I can buy more equities? I'm very tempted but then that 50/50 gets shifted. Or do I sell some of my equities instead as I know they'll recover. Those are industries that can withstand some whippings (which don't include big names either as I'm not a fan of those). Decisions, decisions, decisions ... and who said investing is easy ...That's where an asset allocation plan helps. It tells you exactly what you are required to buy in order to satisfy your allocation targets.