This week, the memory chip index fell 16.7% — the component stock SanDisk fell 27.3%, Western Digital fell 17.6%, and Micron fell 11.8%. S&P fell 1.5%, the Dow fell 0.8%, and the NASDAQ fell 2.7%. The Philadelphia Semiconductor Index fell 9.5%. The S&P 500 index initially closed down about 1%, with the telecommunications sector down 2.4%, the optional consumer sector down 1.5%, the technology sector down 0.8%, and the energy sector up 1.1%. The Nasdaq 100 index initially closed down 1.5%. Among the constituent stocks, ISRG initially closed down 13.8%, Keng Teng Electronics fell 9%, Synopsys fell 8%, Netflix fell 6.9%, Applied Materials and Astera Labs fell more than 5%, Western Digital rose 2.2%, Diamondback Energy rose 2.9%, Nebius Group rose 3%, Lumentum rose 4.1%, and Seagate Technology rose 6.2%. Coca Cola initially closed down 4.1%. With IBM, Home Depot, Goldman Sachs, SHW, McDonald's, and Google A leading the decline in Dow constituent stocks, Apple rose 0.1%, Cisco rose 2.1%, and Travelers Companies Inc. rose 9.5%.

This week, the memory chip index fell 16.7% — the component stock SanDisk fell 27.3%, Western Digital fell 17.6%, and Micron fell 11.8%. S&P fell 1.5%, the Dow fell 0.8%, and the NASDAQ fell 2.7%. The Philadelphia Semiconductor Index fell 9.5%. The S&P 500 index initially closed down about 1%, with the telecommunications sector down 2.4%, the optional consumer sector down 1.5%, the technology sector down 0.8%, and the energy sector up 1.1%. The Nasdaq 100 index initially closed down 1.5%. Among the constituent stocks, ISRG initially closed down 13.8%, Keng Teng Electronics fell 9%, Synopsys fell 8%, Netflix fell 6.9%, Applied Materials and Astera Labs fell more than 5%, Western Digital rose 2.2%, Diamondback Energy rose 2.9%, Nebius Group rose 3%, Lumentum rose 4.1%, and Seagate Technology rose 6.2%. Coca Cola initially closed down 4.1%. With IBM, Home Depot, Goldman Sachs, SHW, McDonald's, and Google A leading the decline in Dow constituent stocks, Apple rose 0.1%, Cisco rose 2.1%, and Travelers Companies Inc. rose 9.5%.