Pre-market news summary for US stocks

① U.S. stock index futures all rose: Dow futures rose 0.30%, S&P 500 futures rose 0.23%, and Nasdaq futures rose 0.17%. ② European stock market indices all rose: Germany's DAX 30 rose 0.01%, France's CAC 40 rose 0.15%, Europe's Stoxx 50 rose 0.24%, and the UK's FTSE 100 rose 0.09%. ③ Federal Reserve Chairman Jerome Powell will speak at the Jackson Hole Global Central Bank Annual Meeting at 10 PM Beijing time on Friday. According to CME FedWatch, the market bets on a 73.5% probability of a 25 basis point rate cut at the September 16-17 meeting, and expects at least one more rate cut this year. ④ Goldman Sachs economist David Mericle expects Powell will not clearly signal a rate cut in September but may express support for a rate cut. ⑤ HSBC stated that tariff impacts may accelerate U.S. companies' adoption of artificial intelligence to reduce costs, which is expected to lower the operating costs of S&P 500 constituents by about 1%, offsetting some tariff impacts. If AI applications continue to accelerate, the S&P 500 index is expected to rise to 7,000 points by the end of the year in a bullish scenario. ⑥ UBS stated that the effective tariff rate in the U.S. has exceeded 18% and is expected to stabilize around 15% by mid-2026. Tariffs have not yet fully reflected in official inflation data, but companies have begun to pass costs onto consumers, which is expected to ultimately reduce U.S. GDP growth by about 1 percentage point and raise the CPI level by about 1 percentage point. ⑦ Jintian's net profit in the first half of the year reached $1.02 billion, doubling year-on-year, with basic earnings per share of $1.15, in line with the forecast range. The company announced an interim dividend of $0.3948 per share, significantly higher than the same period last year. ⑧ Zoom's pre-market stock price rose over 5%, with its Q2 enterprise business revenue growing 7% to $730.7 million, exceeding market expectations of $716.7 million; the company expects full-year revenue of about $4.83 billion, with earnings per share of $5.81 to $5.84, all exceeding expectations. ⑨ Ross Stores' pre-market stock price rose over 3.5%, with its Q2 adjusted earnings per share of $1.56, exceeding market expectations by 2 cents, while raising its full-year earnings per share forecast to a range of $6.08 to $6.21