Ed Yardeni has turned even more bullish on the S&P 500. What Happened: The veteran Wall Street investor is hiking his year-end target and forecasting a significant surge by the end of this decade fueled by robust earnings and technological advancements. In a note, the president and chief investment strategist at Yardeni Research raised the year-end target for the S&P 500 from 5,400 to 5,800 points — implying a 6% surge from current levels. Yardeni also projects that the index, which is closely replicated by the SPDR S&P 500 ETF Trust (NYSE:SPY), could reach 6,300 points in 2025 and 6,825 points in 2026 under a “Roaring 2020s scenario,” which he estimates has a 60% probability. Forward earnings could hit $400 per share by the end of 2029, potentially pushing the S&P 500 to 8,400 points, a 55% rally from ...