Nvidia's GTC conference in San Jose attracted a record-breaking 25,000 attendees with packed workshops and talks.The company faces upcoming challenges like U.S. tariffs, competition from DeepSeek, and evolving AI customer priorities.CEO Jensen Huang showcased new chips, 'supercomputers,' and robots in a bid to boost investor confidence.Nvidia emphasized sustained chip demand despite concerns over traditional AI scaling falling out of favor.Rivals like Cerebras and Groq pose a threat with low-cost inference solutions, challenging Nvidia's position.Tech giants like OpenAI and Meta are exploring in-house hardware to reduce reliance on Nvidia chips.Nvidia's share price dropped post-keynote as investors looked for new innovations that were not unveiled.The company addressed tariff concerns and announced plans to invest in U.S. manufacturing but noted potential long-term impacts.Nvidia is expanding into quantum computing, opening a center in Boston and emphasizing quantum error correction simulations.Introducing 'personal AI supercomputers' like DGX Spark and DGX Station, Nvidia aims to tap into new revenue streams.