Earlier quoted context omitted.
There is an awesome book "Reminiscence of a stock operator" by Edwin Lefevre, the story is about one guy and he does that with coffee in the US, not one, but 2 times. The government actually had to come in and take it from him... The book is a mixture of fiction and real life and it's just great! One of my favorites
It is an awesome book and its an extremely thinly disguised biography of Jesse Livermore. Its interesting to read up on why its thinly disguised. Its widely believed the author both got, and planted, stock tips for Livermore, but the author wanted no written legal document connecting them in case things went wrong and he ended up in court discussing his documented long financial relationship w/ Mr Livermore. Legally…
You missed the whole point of Security Analysis and Intelligent Investor(another Graham book). The market is irrational from time to time, so you patiently wait on the side when prices are overvalued and invest in fundamentally good companies when prices are undervalued.