CNBC's Jim Cramer detailed his approach to investing in high-quality growth stocks, telling investors it's vital to search for companies with an impressive track record. "It's only hard to find these hero stocks if you're picking randomly," he said. "For anyone with eyes to see, we're talking about obvious winners that tend to keep winning for years and years."He reviewed some of the best performers of the past 20 years, namely megacaps placed into two groups, FAANG – Meta, formerly known as Facebook, Amazo ...