Four witches' day, the S&P 500 and Nasdaq fell more than 1% and have been declining for two consecutive weeks. Chip stocks plummeted, and offshore renminbi briefly rose by 300 points.

US September inflation expectations at the University of Michigan fell to their lowest level since the beginning of 2021, causing traders to lower their expectations of further interest rate hikes by the Federal Reserve this year. On Friday, which coincided with quadruple witching day, the first day of the auto workers' strike, US stocks closed at their daily lows, with chip stocks falling by 3%. The Dow Jones Industrial Average barely managed to end the week with a meager 0.1% gain, while Tesla rose over 10% for the week. Arm fell over 4% on Friday, but still recorded a 19% gain since its listing. The three major US automakers and Chinese new energy vehicle companies all rose against the trend. The two-year US Treasury yield remained above 5%, oil prices reached a ten-month high, with US oil staying above $90 for two consecutive days, and Brent oil rose nearly 4% for the week, marking its third consecutive weekly gain. The US dollar has risen for nine consecutive weeks, hovering at a six-month high, while the euro has fallen for nine consecutive weeks, marking the longest losing streak in history. The Japanese yen hit a ten-month low, and the offshore renminbi briefly rose 300 points on Friday, breaking through 7.26 yuan.