US Stock Market Movement | Philadelphia Semiconductor Index Widens Its Decline to 4%, KLA (KLAC.US) Drops Over 9% After Earnings

According to Zhihu Finance APP, on Wednesday, the Philadelphia Semiconductor Index in the US stock market expanded its decline to 4%. KLA (KLAC.US) fell more than 9% after earnings, AMD (AMD.US) fell more than 5%, Marvell Technology (MRVL.US) and Micron Technology (MU.US) both fell nearly 5%, and NVIDIA (NVDA.US), Intel (INTC.US), and TSMC (TSM.US) all fell more than 3%. On the news front, companies related to the AI industry released their financial reports. SK Hynix's Q2 operating profit soared by 557% year-on-year to 60.5 trillion won, but was still below market expectations. Seagate Technology's Q4 results exceeded expectations across the board, and nearline capacity has been booked solid through 2028. KLA's first-quarter performance guidance was only slightly above expectations, leading to profit-taking from investors due to its high valuation.