Stock market today: Dow, S&P 500, Nasdaq futures falter after AI-fueled sell-off as new Trump tariff kicks in

Market Overview - US stock futures showed a slight increase on Tuesday, with Dow Jones Industrial Average futures up about 0.2%, S&P 500 contracts hovering around the flatline, and Nasdaq 100 futures adding 0.3% [1] - The cautious rebound followed a significant sell-off on Monday, primarily driven by concerns over AI advancements disrupting various sectors of corporate America, with the Dow leading the decline [2] AI Sector Developments - Anthropic's virtual event on Tuesday is anticipated to provide updates on its AI tools and Claude chatbot, which have recently impacted sectors from software to consulting services, with IBM being notably affected [3] Trade Policy and Tariffs - President Trump's new 10% global tariff took effect on Tuesday, raising concerns about a potential trade war and casting doubt on existing trade agreements, particularly with the EU and Japan [4] - Reports indicate that the White House is considering raising the tariff rate to 15% and may initiate national-security probes on sectoral imports, which could lead to additional tariffs [5] Company Earnings and Stock Movements - Whirlpool's stock fell 8% in premarket trading after reports of plans to sell 800 million shares to reduce debt [5] - Keysight Technologies' stock rose 15% after exceeding analysts' expectations for first-quarter earnings and providing a positive outlook for the second quarter [6] - Planet Fitness saw a 5% decline in premarket trading despite beating revenue estimates in its fourth-quarter earnings [6] Home Depot Performance - Home Depot reported a 4% decline in fourth-quarter revenue to $38.2 billion, slightly below expectations, but adjusted earnings of $2.72 per share exceeded estimates of $2.55 [7][9] - Same-store sales grew 0.4%, matching expectations, driven by higher ticket sizes despite a drop in consumer transactions [8] - For the fiscal year, Home Depot's revenue was $164.68 billion, surpassing the expected $164.59 billion, with adjusted earnings of $14.69, slightly above the anticipated $14.53 [10] Future Guidance - Home Depot reiterated its guidance for the upcoming fiscal year, expecting total sales growth between 2.5% to 4.5% and same-store sales growth to be flat to up 2% [11]