【美股盘前】GPT-5明日凌晨1点发布？公告遭提前泄露；半导体股普涨，台积电涨超5%；苹果涨超3%，宣布在美国追加1000亿美元投资；优步营收超预期，宣...

Group 1 - Major stock index futures are up, with Dow futures rising by 0.43%, S&P 500 futures up by 0.63%, and Nasdaq futures increasing by 0.64% [1] - Semiconductor stocks are experiencing a broad rally, with TSMC up by 5.3%, Micron Technology rising over 3.6%, ASML increasing by 2.3%, Intel up by 2.11%, and AMD rising by 1.9%. This follows President Trump's announcement of approximately 100% tariffs on chips and semiconductors unless manufactured in the U.S. [1] - Uber's Q2 revenue exceeded expectations, and the company announced a $20 billion stock buyback plan, resulting in a 0.43% increase in its stock price [1] - XPeng Motors unveiled its new XPeng P7, developed in collaboration with Volkswagen, featuring advanced technology such as a three-axis dynamic screen and an 87-inch AR-HUD, leading to a 0.78% increase in its stock price [1] Group 2 - DoorDash reported Q2 earnings that surpassed expectations, leading to a pre-market stock increase of 9.24%. The company's stock has surged 54% year-to-date, with a market capitalization of $109 billion [2] - Airbnb's Q2 earnings and profits exceeded expectations; however, the company anticipates facing high base pressure in the second half of the year, resulting in a 6.55% decline in its stock price [2] - Apple announced an additional $100 billion investment in the U.S., building on its previous commitment of $500 billion over four years, which includes opening a new advanced manufacturing facility in Houston. This announcement led to a 3.2% increase in Apple's stock price [2] Group 3 - GPT-5 announcement was leaked ahead of its scheduled release, with information about four related models being prematurely disclosed. OpenAI plans to live stream the event, which is expected to be longer than usual [3] - Toyota's Q1 net profit fell by 36.9% year-on-year due to tariff issues, prompting the company to lower its full-year profit forecast. The projected net profit for the 2025 fiscal year is expected to decline by approximately 44% to 2.66 trillion yen, resulting in a 1.32% drop in its stock price [3]