AI Boom Drives S&P 500 and Nasdaq to Record Highs Amid U.S.-Iran Ceasefire

The S&P 500 and Nasdaq reached record highs, boosted by Intel and AI-related stocks amidst a stable U.S.-Iran ceasefire. Strong quarterly earnings and investor focus on AI companies like AMD and Intel contributed to market optimism. The S&P 500 and Nasdaq's gains highlight the resilience of the current market.

The S&P 500 and Nasdaq surged to record-high closes on Tuesday, propelled by AI-driven stocks, including Intel and other tech giants. Investor enthusiasm was buoyed by a sustained U.S.-Iran ceasefire and robust quarterly earnings reports, as Washington confirmed its truce with Iran remained intact, easing geopolitical tensions over the Strait of Hormuz.

Market attention zeroed in on AI-linked companies, with AMD shares rising 4% in anticipation of its quarterly earnings. Intel saw a 13% surge after news broke about potential collaborations with Apple for chip production. The PHLX chip index soared 4.2%, reaching a record peak and demonstrating the strength of semiconductor stocks in 2026.

The S&P 500 continues on a strong trajectory with projected 28% year-over-year earnings growth for the first quarter, marking the largest increase since 2021. Analysts attribute this positivity largely to tech sector advancements, particularly in AI. Wall Street remains optimistic as businesses and consumers drive the economic momentum forward.