Investors are pouring money into this modified S&P 500 stock-market strategy By: MarketWatch June 29, 2023 at 09:27 AM EDT The benchmark S&P 500 has become less diversified with the success of the largest technology companies. Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Apple Meta Platforms Inc Microsoft NVIDIA Corp S&P 500 EW Invesco ETF SPDR Portfolio S&P 500 ETF SPDR S&P 500 ETF Trust