Core Insights - The article compares two ETFs: iShares Core S&P 500 ETF (IVV) and Invesco S&P 500 Equal Weight ETF (RSP), highlighting their differing strategies in stock weighting and sector exposure [5][7]. Group 1: ETF Strategies - IVV replicates the S&P 500 using market-cap weighting, leading to a high concentration in technology stocks, which account for 43% of its portfolio [1]. - RSP tracks the S&P 500 Equal Weight Index, distributing its investments more evenly across approximately 505 companies, with technology only making up 16% of its assets [2][7]. Group 2: Performance and Returns - IVV has shown stronger recent returns and greater exposure to technology, while RSP offers more diversification across sectors [5][9]. - RSP's top holdings are significantly diversified, with no single company exceeding 0.3% of the portfolio [2]. Group 3: Costs and Yield - IVV has a lower expense ratio of 0.03%, making it more affordable, while RSP has a higher expense ratio of 0.20% but offers a higher dividend yield of 1.6% compared to IVV's 1.2% [8][9]. Group 4: Investor Considerations - Both ETFs provide diversified access to large U.S. companies, but their differing strategies may appeal to different types of investors, with IVV favoring tech-heavy portfolios and RSP appealing to those seeking broader sector exposure [4][6].