Overview of important developments overnight on April 22

21:00-7:00 Keywords: SIGN, Vance, Wash, U.S. -Iran ceasefire 1. Trump announced an extension of the ceasefire with Iran;2. White House: Vance's trip to Pakistan has been cancelled; 3. Kalshi and Polymarket will provide perpetual futures trading; 4. Coinbase will launch Sign (SIGN) spot trading;5. Digital bank Revolut IPO will be valued at a maximum of US$200 billion;6. Wash: Has agreed to sell assets in accordance with an agreement reached with the Ethics Office;7. Federal Reserve Chairman's nominee Walsh: Independence depends on the Federal Reserve (itself); 8. Iran did not request an extension of the ceasefire. Officials said the U.S. move was to buy time to launch a raid.