“Think of how stupid the average person is, and realize half of them are stupider than that.”
- George Carlin.
If investors were rational, they would choose their investments on the basis of valuation. Cheap assets good, expensive assets bad. Markets are tricky things and tough to beat or even match, so it helps to have an edge. No other characteristic has more bearing on the likelihood of an investment’s long term success than its starting valuation. That tiny word “if” carries an awful lot of freight, though. The reality for many is that, consciously or otherwise, they favour financial assets that have self-evidently “worked”, in that their prices have risen strongly in the recent past. Human beings are nothing if not straightforward extrapolation engines. This is not to denigrate price momentum, which is a perfectly respectable trading strategy, but it is to denigrate the animal spirits of the average investor, who has an unerring tendency to conduct investment strategy by way of the rear view mirror.
To read the whole article, Download Maths versus magic