This fan-favorite stock has been extremely profitable for investors and shows no signs of slowing.The S&P 500 (^GSPC -0.00%) has been on an absolute tear since early last year, fueled by developments in artificial intelligence (AI), a rebounding economy, an uncontested election, and recent interest rate cuts by the Federal Reserve. After gaining 24% in 2023, the broad-based index is up roughly 28% so far in 2024 (as of this writing). History suggests the market run will likely continue into 2025.The ongoing ...