Based on Year-to-Date (YTD) and one-year performance in 2026, several stocks have significantly outperformed the broader index:
As of , the "best" index stocks and funds to buy are frequently categorized by their role in the current market, specifically focusing on AI infrastructure , undervalued international leaders , and low-cost core index funds . Top-Performing Index Stocks (S&P 500) best index stocks to buy
: Highly accessible with a 0.02% expense ratio and no minimum investment. Based on Year-to-Date (YTD) and one-year performance in
: The top S&P 500 performer, up 172.8% YTD. It is benefiting from a global NAND flash shortage and massive demand for AI-related storage. It is benefiting from a global NAND flash
: Up 68.6% YTD as investors show optimism for its non-COVID pipeline.
: Ranked highly by analysts with a "strong buy" sentiment (1.23 score) due to its central role in AI networking. Highly Rated Index Funds (ETFs & Mutual Funds)
: A top choice for income-oriented investors, considered a "strong buy" as value stocks gain favor over growth. Best Index Funds In 2026 | Bankrate