US pre-market news roundup: Anthropic’s IPO prospectus unveiled, AMD to acquire World Labs for $8.2 billion

Below are key pre-market news for US stocks on Tuesday: 1. Executives from AI giants including NVIDIA (NVDA.O) and Anthropic will discuss AI risks with Trump; 2. Anthropic’s IPO prospectus has been released, showing it generated $4.59 billion in revenue in 2025, a roughly 12-fold year-over-year increase, with future computing power investment expected to remain astronomical; 3. AMD will acquire World Labs for $8.2 billion, with Fei-Fei Li set to serve as AMD’s chief scientist; 4. The "Big Short" investor Michael Burry is accelerating bets on an AI crash, stating the bubble could burst earlier than expected; 5. Tesla has postponed the unveiling event for its next-generation Roadster from October 1 to October 15. Meanwhile, JPMorgan Chase cut Tesla’s price target from $445 to $415; 6. US spot Bitcoin ETFs and spot Ethereum ETFs both recorded net capital inflows for 7 consecutive trading days; 7. Chicago Board Options Exchange (CBOE) said it may collaborate with S&P Dow Jones Indices to explore innovations in new products such as tokenized option contracts.