How U.S.-Iran Peace Hopes and SEC Margin Rule Sparked Nasdaq Rally — Market Wrap Apr 15, 2026

7horns.ai Daily Briefing EN · Apr 15, 2026 · 3m

Today's AI insights from 7horns.ai highlight a strong tech-led rally with the Nasdaq 100 soaring 1.40% to a record high, while the S&P 500 gained 0.79%. The Dow lagged, slipping 0.16%, reflecting a selective risk-on mood driven by easing geopolitical tensions around potential U.S.-Iran peace talks and a robust start to earnings season. Tesla led gains among mega-cap techs, surging 7.62%, followed by Microsoft up 4.61% and Apple rising 2.94%. Robinhood jumped 10.41% after the SEC scrapped the $25,000 margin requirement for pattern day traders, fueling optimism in retail trading stocks…