The Philadelphia Semiconductor Index fell 5%, with Marvell Technology (MRVL.O) down more than 7%, Arm (ARM.O) and Intel (INTC.O) down nearly 7%, Micron Technology (MU.O) down 5.7%, and Nvidia (NVDA.O) down more than 2%.

2026-08-18

The Philadelphia Semiconductor Index fell 5%, with Marvell Technology (MRVL.O) down more than 7%, Arm (ARM.O) and Intel (INTC.O) down nearly 7%, Micron Technology (MU.O) down 5.7%, and Nvidia (NVDA.O) down more than 2%.