The man who operated a complicated machine does so best when he knows its construction. The present book aims to give the student a scientific knowledge of the factors that alternately enhance and depress stock prices. It also aims to give to those temperamentally capable of consistently successful speculative activities such help as may assist them efficiently to help themselves. Contents: stocks and stock prices; why the market moves; swings of the market; banks and the stock market; corporate control; floating supply; market control; right side of the market; speculative tactics; psychology of speculation; old market and the new.