To Peter Lynch, success in the stock market is pretty basic: if a company’s earnings rise, then the stock price goes up. “This simple point–that the price of a stock is directly related to a company’s earning power–is often overlooked, even by sophisticated investors,” the former Fidelity Magellan manager writes in Learn to Earn, his third book on investing.
https://www.amazon.com/Learn-Earn-Beginners-Investing-Business/dp/0684811634