On April 24, 2026, the U.S. stock market closed with mixed performance. The NASDAQ Composite Index rose by 1.95%, while the S&P 500 Index increased by 1.32%. The Dow Jones Industrial Average, however, saw a slight decline of 0.15%.

In the sectoral landscape, the semiconductor sector experienced a significant rally. The Philadelphia Semiconductor Index achieved a record 17-day winning streak, rising over 4%. Key players in the sector, such as Intel, surged by 23.64% following its impressive first-quarter earnings report, which exceeded expectations and provided optimistic guidance for Q2. This momentum also boosted other semiconductor stocks, including Advanced Micro Devices, which rose by 13.91%, and Qualcomm, which increased by 11.12%.

NVIDIA saw a 4.32% increase, reaching a new record close after announcing a $5 billion investment in Intel and a collaboration on data-center and PC products. This partnership has reignited enthusiasm in semiconductor stocks, pushing Nvidia's market value back towards the $5 trillion mark.

Alphabet and Alphabet both experienced gains of 1.63% and 1.35%, respectively, following the announcement of a significant investment commitment of up to $40 billion in AI startup Anthropic. This investment underscores Google's strategic focus on advancing artificial intelligence technologies.

Microsoft rose by 2.13% despite reports of GPU resource constraints affecting AI startups, as the company prioritizes internal AI projects and large clients.

Tesla Motors saw a modest increase of 0.69% amid concerns over its $25 billion capital spending plan for 2026, which analysts warn could lead to negative free cash flow and potential equity raises.

Eli Lilly fell by 3.67% due to a sluggish launch of its new oral weight-loss drug, Foundayo, which lagged behind Novo Nordisk's competing product, Wegovy.

Lockheed Martin declined by 3.15% following a series of price target cuts from various analysts, reflecting a cautious outlook on the stock's near-term performance.