Investing in the companies you know well is all you need to build wealth.Building wealth in the stock market is not complicated. It simply involves holding shares of consistently growing companies over many years. In the last decade, a small group of elite growth stocks became the default choice for investors looking to earn above-average returns. These became known as FAANG stocks, which include the following:Meta Platforms (formerly Facebook)AppleAmazon (AMZN 2.50%)Netflix (NFLX 1.82%)Alphabet (formerly G ...