周末几股暖风，可能扭转弱市吗？

Group 1 - The U.S. stock market has experienced a significant decline, with sectors such as coal and polysilicon seeing an approximate 5% drop, and leading steel companies falling over 10% [2] - The technology sector, including chips and AI concepts, also faced minor pullbacks, while banking stocks rose as a safe haven [2] - Recent U.S. employment data showed a disappointing increase of only 73,000 jobs in July, significantly below expectations, leading to a major revision of previous months' data [3] Group 2 - The U.S. government has made changes in response to the employment data, including the removal of the head of the Bureau of Labor Statistics, which has caused market reactions [3] - The current geopolitical climate may lead to adjustments in U.S. trade policies, particularly regarding tariffs on China, which could see a 90-day exemption extended [3]