An investment decision in the common stock of a company frequently involves a whole lot of factors interacting ... the one thing that causes the most trouble is when you combine a bunch of these together, you get this lollapalooza effect.
Charlie MungerPractically everybody (1) overweighs the stuff that can be numbered, because it yields to the statistical techniques theyโre taught in academia, and (2) doesnโt mix in the hard-to-measure stuff that may be more important. That is a mistake Iโve tried all my life to avoid, and I have no regrets for having done that.
Charlie Munger