The U.S. stock market is currently at all-time highs, which has been a joy for investors. But nothing lasts forever, and sell-offs are a normal part of long-term investing. Instead of panicking, treat sell-offs like an opportunity to buy great companies at lower prices. Buying dividend stocks at lower prices means starting with higher yields and generating more passive income with your money. Here are four fabulous dividend energy stocks as prime buys that can put lots of cash in your pocket. When prices fa ...