Summary of Major Developments on the Evening of May 27

```html12:00-21:00 Keywords: Robinhood, Hong Kong Monetary Authority, BlackRock1. Robinhood launches AI Agent trading feature2. Preliminary informal document content of the Iran Memorandum of Understanding disclosed3. U.S. mortgage rates rise to the highest level since August4. Hong Kong Monetary Authority: Account opening verification traced back to January 20235. BlackRock deposits 2,538 BTC into an exchange, valued at approximately $193 million6. Bitcoin falls below Tom Lee's "bull-bear dividing line," bearish sentiment in the market intensifies7. Spot silver drops by 3.00% intraday, currently reported at $74.56 per ounce```