The S&P 500 notched a record closing high of 7,022.95 on April 15, 2026—surpassing its prior peak of 7,002.28 from late January—fueled by investor optimism over potential de-escalation in U.S.-Iran tensions and renewed momentum in AI-driven tech stocks amid a 3.6% weekly index gain. This rebound from earlier 2026 lows, where the index shed over 7% during heightened geopolitical risks, reflects trader consensus on resilient corporate earnings growth projections into 2026 and expectations for Federal Reserve rate cuts, with 10-year Treasury yields stabilizing near recent lows. Key near-term catalysts include April 18 jobless claims, flash PMIs, and the FOMC meeting on April 28-29, which could recalibrate monetary policy outlooks and volatility via the VIX.