Biggest Premarket Stock Movers: Alibaba, Ulta, Dell, Caterpillar & More

Premarket stock movers included Alibaba, up 3% after creating an advanced chip amid Nvidia’s China sales issues, while Nvidia fell 1%. Caterpillar dropped nearly 3% due to potential $1.5–$1.8 billion tariff impact. Dell fell 5% on weaker third-quarter guidance but beat earnings. Ulta Beauty rose 4% after raising full-year revenue and earnings forecasts. Affirm Holdings surged 15% with strong Q4 results. Autodesk gained 9.9% following robust earnings and guidance. SentinelOne jumped 8% on strong Q2 results. Ambarella soared 18% on AI-driven growth. Dollar Tree increased ~1% after an analyst upgrade.