Nvidia shares have nearly tripled in value this year, adding more than $700 billion to the company's market valuation and making it the first trillion-dollar chip firm. If Nvidia shows weakness, we could be in for quite a substantial correction in the market." Nvidia has only forecast revenue below estimates once in the past two years. Citi analysts said last week they were only modeling a revenue forecast of around $12 billion, but buy-side expectations have gone up to $14 billion. AMD expects to start shipping the chip in the fourth quarter and could control roughly 10% of the AI chip market next year, analysts said.

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Persons: Ann Wang, Inge Heydorn, Heydorn, Piper, Harsh Kumar, doesn't overcharge, Kumar, Chavi Mehta, Aditya Soni, Anil D'Silva Organizations: REUTERS, Nvidia, Big Tech, GP, AMD, Citi, Google, Reuters, Thomson Locations: Taipei, Taiwan, China, Bengaluru