Overview of important developments overnight on June 4

21:00-7:00 Keywords: Kalshi, Alphabet, Variant, Iran 1. Poland's gold reserves increased to 613 tons; 2. Kalshi: Officially launched a Bitcoin perpetual contract;3. Rubio reiterated that the US military operation against Iraq has ended;4. Trump said negotiations with Iran are progressing "very well";5. Federal Reserve's Beige Book: Overall, prices are rising at a moderate to strong rate;6. Google's parent company Alphabet: Gemini3.5 Pro is expected to be released in June; 7. Variant's new fund has raised US$222 million, focusing on early encryption and AI start-up projects.