The central parity rate of the Chinese yuan against the US dollar rose 51 points to 6.8240, the highest level since February 15, 2023.

According to CriptoNoticias, the Argentine government has submitted a bill to Congress to include virtual asset service providers in anti gambling regulation. The bill requires banks, fintech companies, cryptocurrency exchanges, and wallet providers not to provide services or trading convenience for unlicensed gambling platforms. Violators will face 2 to 4 years in prison. The exchange needs to strengthen due diligence, transaction monitoring, and KYC policies. The Argentine Central Bank, National Securities Commission and other institutions will collaborate to block technology access and capital flows.

According to Yonhap News Agency, Samsung Securities has passed a board resolution to acquire 2% of Dunamu's shares for 306.3 billion Korean won (approximately 204 million US dollars), totaling approximately 697000 shares at a price of approximately 439000 Korean won per share. The sellers include institutions such as Kakao Investment and Kakao Ventures. This transaction is estimated to have a total valuation of approximately 15.3 trillion Korean won (approximately 10.2 billion US dollars) for Dunamu. Samsung Securities stated that this investment aims to enhance the competitiveness of its digital asset business and expand synergies. Hanhua Investment Securities previously acquired Dunamu shares held by Kakao Investment at the same valuation.

AI programming startup Cognition has raised over $1 billion in funding, raising its pre investment valuation to $25 billion, doubling its post investment valuation from $10.2 billion eight months ago. This round of financing is led by Lux Capital and General Catalyst, with Founders Fund, 8VC, and new investors such as Ribbit Capital participating. Official data shows that the usage of its AI programmer product Devin by enterprise users has increased by 50% month on month within 6 months, with an annualized revenue operating rate of $492 million. Its customers include Mercedes Benz NASA、 Goldman Sachs and others. Cognition states that Devin's growth and Windsurf's asset acquisition demonstrate the commercial potential of independent AI programming agents.

On May 28th, Brent crude oil futures for July rose 2.1% to $96.23 per barrel; WTI July crude oil futures rose 1.9% to $90.39 per barrel. The United States and Iran continue to have differences over the Strait of Hormuz issue, with US President Trump expressing "dissatisfaction" with the negotiations. The US military has launched a new strike on a threatening target in Iran. The White House denies reports from Iran regarding the draft agreement and states that Tehran and Oman will jointly manage the Strait of Hormuz.