Overview of Major Overnight Developments on May 21

12:00 (UTC+8) - 21:00 (UTC+8) Keywords: OpenAI, SpaceX, Variational, US-Iran1. The Samsung Electronics labor union has reportedly postponed its strike;2. OpenAI is reportedly preparing to file for an IPO in the coming days or weeks;3. SpaceX disclosed that it holds 18,712 Bitcoin, valued at over $1.4 billion;4. Variational has completed a $50 million funding round, led by Dragonfly Capital;5. Exa Labs raised $250 million in a funding round led by a16z, bringing its valuation to $2.2 billion;6. Reports: The US-Iran agreement text is in the final editing stage and may be announced within hours;7. FOMC meeting minutes: Many policymakers prefer to remove the easing bias from the policy statement.