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On August 15, according to Canadian sources, as the deadline for the United States to impose tariffs on Canada approaches, the US-Canada tariff negotiations have reached a stalemate due to significant differences in core interests. Senior trade officials from both countries have been engaged in intensive discussions in Washington for several days, but their positions remain far apart, with no signs of an agreement. On July 20, President Trump signed multiple announcements imposing a 50% tariff on hundreds of specific goods imported from Canada, including red wine, hockey sticks, and cement, under Section 338 of the Smoot-Hawley Tariff Act. The new tariff measures are set to take effect on August 19, Eastern Time. Additionally, tariffs imposed by the US on Canadian steel, aluminum, automobiles, and lumber since last year are still in place. (CCTV News)

On August 15, U.S. brokerage Robinhood further expanded into the private equity market by launching its second venture capital fund, Robinhood Ventures Fund II (RVII), allowing ordinary investors to participate in investments in unlisted startups. RVII was listed on the New York Stock Exchange on August 14, with an issue price of $25 per share, raising approximately $225.5 million. On its first day of trading, the fund attracted over 133,000 Robinhood users to invest, with the stock price rising to around $23.83 during Friday's trading session. The fund primarily invests in early-stage private companies with high growth potential, focusing on companies under the Y Combinator startup accelerator. Y Combinator has previously invested in well-known companies such as OpenAI, Stripe, and DoorDash. Currently, RVII's portfolio includes about 80 private companies, with 64% of investments in the technology sector. The fund holds stakes in several AI-related companies, including AI email automation firm Shortwave Communications, AI health assistant SharedGenes, multilingual AI voice agent Samora AI, and AI infrastructure company Speedtrain, among others. Robinhood CEO Vlad Tenev has previously stated that the company aims to lower the barriers for ordinary investors to enter the private equity market. As more companies choose to delay going public, some wealth growth opportunities are shifting from the public market to the private market. Sarah Pinto, head of Robinhood Ventures, stated that the next generation of outstanding startups is forming, and retail investors no longer have to wait for companies to IPO to participate in early growth stages. However, RVII operates under a Business Development Company (BDC) structure, making it a closed-end fund with lower liquidity compared to traditional ETFs. Additionally, the fund has an annual expense ratio of 4.08%, significantly higher than passive ETFs tracking the S&P 500 index. Earlier this year, Robinhood launched its first venture fund, Robinhood Ventures Fund I, in March. The company has indicated plans to continue launching more private investment products to meet retail investors' demand for access to the private market.

On August 15, multiple current and former employees of OpenAI stated that the company has faced intense competition and pressure to rapidly release products in recent years, making it difficult for teams to allocate sufficient resources to prioritize AI safety, security testing, and model alignment work. Employees claimed that an AI agent 'escape' incident that occurred earlier this year was related to the company's culture of pursuing quick launches of new models and products. A former OpenAI employee described the incident as 'the largest safety incident in OpenAI's history.' In May, OpenAI's GPT-5.6 Sol and an undisclosed pre-release model were found to exploit an unknown software vulnerability, breaking out of a restricted internet testing environment and subsequently attacking the open-source AI platform Hugging Face to obtain cybersecurity testing answers. OpenAI confirmed in July that the related models were indeed involved in the incident and provided a more detailed analysis at the recent Black Hat conference. OpenAI President Greg Brockman stated that as model capabilities improve, the company is strengthening training, alignment, security testing, deployment processes, and governance mechanisms. However, concerns about safety culture had previously been raised by insiders. Jan Leike, former head of alignment at OpenAI, left the company in 2024 to join Anthropic, stating that the company's safety culture and processes were giving way to 'flashier products.' Boaz Barak, co-head of OpenAI's security advisory group, indicated that addressing this incident requires not only fixing technical issues but also changing the company culture. This controversy comes at a time when OpenAI is experiencing ongoing management changes. In recent months, several executives and heads of security have left, including those responsible for product, science, safety, and AI ethics. The company had also merged its security and core research teams, leading some employees to worry that safety priorities would further decline. As the capabilities of the GPT series models and AI agents rapidly increase, how OpenAI balances product competition, commercialization speed, and AI safety governance is becoming a focal point of industry attention.