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List of important developments at noon on February 1

7:00-12:00 Keywords: Circle, grey release, Jump Trading, DeepSeek 1. Bloomberg analyst: The SEC has never called Litecoin a security. 2.Circle cast 250 million USDC on the Solana chain 3 hours ago; 3. The SEC delayed the approval of the rule change for the conversion of grey release digital large-cap funds into spot ETFs; Texas Stock Exchange raised $161 million from more than 48 investors including Jump Trading. 5. Foreign media: The $6 million AI training cost reported by DeepSeek is misleading, and the true expenditure is $1 billion.