Many have made millions by buying and holding at the right time in the stock market, with the S&P 500 being a key player. Sticking with a strong investment strategy can be the difference between a middle-class salary and becoming a high-net-worth individual. Apple is generally considered a strong investment, consistently performing well and generating profits. Tesla, despite some ups and downs, has made many investors wealthy due to its focus on clean energy and technology. Shopify is another stock worth holding onto, empowering entrepreneurs and showing growth potential. Amazon, a diversified tech giant, has shown resilience and growth potential, creating many self-made millionaires. Holding onto these stocks long-term can lead to significant wealth accumulation.

Read more at Yahoo Finance: 4 Big Stocks That Rich Investors Never Sell