The best Magnificent 7 stocks have propelled the stock market higher for many years. These tech giants make up a significant portion of the S&P 500 and the Nasdaq Composite. That’s because those two benchmarks are market-cap-weighted indices. Corporations with higher market caps are more represented in those indices and have a stronger influence on overall performance.It’s worked out well for investors. The S&P 500 has gained 13% year-to-date and is up 82% over the past five years. Meanwhile, the Nasdaq Com ...