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```htmlGelonghui June 4｜A certain exchange rose by over 2% pre-market, quoted at $119.28. In terms of news, Walmart announced that its drone delivery service has achieved a milestone of 1 million completed deliveries. Through partnerships with Wing and Zipline, there are currently 66 service sites operating across four U.S. states, capable of delivering groceries, daily necessities, and medications to customers' doorsteps at an average speed of 23 minutes. Notably, about 40% of these 1 million deliveries were completed in the first quarter of fiscal year 2027, indicating that this “air express” business is experiencing explosive growth.```

Sources: Russia's platinum project will begin production at the end of 2026

BlockBeats News, June 4th, Treehouse announced that its on-chain reference rate TESR (Treehouse Ethereum Staking Rate) has been integrated with Euler to launch the first fixed-rate borrowing market with an anchored reference rate in DeFi. Users can borrow WETH using tETH or wstETH as collateral, and the borrowing interest rate will be locked in at the start of each monthly period based on the TESR 30-day consensus rate and remain fixed throughout the period, eliminating the uncertainty caused by borrowing rate fluctuations. The initial markets launched include tETH/WETH and wstETH/WETH. The market is overseen by the DeFi treasury management firm KPK, responsible for professional management and risk control to provide institutional-grade security and liquidity. Treehouse stated that this move provides DeFi users with a new option for fixed-rate borrowing, aiming to reduce borrowing cost fluctuation risks and further drive the development of the on-chain interest rate market.