The "Magnificent Seven" refers to seven of the largest tech-focused companies by market capitalization -- Nvidia, Microsoft, Apple, Amazon, Alphabet (GOOG 1.74%) (GOOGL 1.69%), Meta Platforms, and Tesla.These companies are known for outperforming the S&P 500 over the long term. In recent years, these stocks have been responsible for a significant part of broader market gains, especially in 2023. But a prolonged period of outperformance has stretched the valuations of top performers, like Microsoft, which ju ...