Today, I was able to dispose my SLI at 2.40 with a minimal gain. I bought that stock only due to pure speculation, without having any figures whatsoever. And I guess, that's no different from gambling. :-) No wonder stock market trading is just as addicting as playing in a casino. For me, I think investing is a pure science. If there are particular people who are well known in their scientific fields like Stephen Hawkins in physics, the same should go to the science of investing where the like of Warren Buffett has emerged as (one of) the best.