Just as it’s easier to move a kayak than a cruise liner, companies with a smaller number of shares are more likely to catapult higher than a big, mature company. That’s the essence of the ‘S’ in CAN SLIM, which stands for supply. Buy stocks where demand for shares exceeds the supply. Given a choice between buying a good company with 5 billion shares and an equally good company with 50 million, go for the smaller one.