Trump 2.0, stocks soar again, gold hits records, AI boom rolls on — Yahoo Finance's 2025 year in review

Group 1 - The announcement of the $500 billion "Stargate" project aims to build AI infrastructure in the US, with key figures like SoftBank CEO Masayoshi Son, OpenAI chief Sam Altman, and Oracle CEO Larry Ellison present [1] - Bitcoin reached a record high above $109,000 shortly before Trump's swearing-in, following its first-time crossing of $100,000 in December 2024 [1] - The S&P 500 closed at a record high on Trump's third full day in office, indicating strong market sentiment [7] Group 2 - Nvidia's stock fell 17%, losing nearly $600 billion in market value after a Chinese startup released a competitive AI model, raising concerns about the costs of AI development [8] - Trump's second trade war began with tariffs on imports from Canada, Mexico, and China, which faced legal challenges throughout the year [9] - Intel appointed Lip-Bu Tan as its new CEO, leading to a nearly 80% increase in its stock value [10] Group 3 - Oracle's stock surged nearly 40% after reporting a 360% increase in future revenue from customer contracts, largely tied to OpenAI [32] - Nvidia and OpenAI announced a landmark deal where Nvidia committed to investing up to $100 billion into OpenAI, raising discussions about circular financing in the AI sector [35] - Nvidia became the first company to surpass a market capitalization of $5 trillion [39]