It is the most reliable way to get rich. Nothing could be further from the truth. No company has a lock on profits. Once a company become extremely profitable in any industry, you can be sure that competition will show up to get some of the profits for themselves. Also, revenue growth does not always equate to profits.
Many companies can grow their top line revenue by giving away the product.
And there are those companies that do everything right. Grow their revenues and profits, yet their stock languishes. The stock might have been driven to overvaluation levels and even though the company is executing its' business right according to plan, the stock falls. The next time you want to invest in a company, think about what you read below. When you buy a stock, you are buying what other investors have determined the price to be.