Stock market today: Dow, S&P 500, Nasdaq sell off to end another brutal week as Iran war rages

Group 1 - US stock losses accelerated, with the Dow Jones Industrial Average falling approximately 0.9% and the S&P 500 declining by about 1.5% [1] - The tech-heavy Nasdaq Composite experienced a deeper slide of 2% following a negative trading day on Wall Street [1] - Major US stock indices have declined for four consecutive weeks, with both the Dow and Nasdaq Composite nearing correction territory [4] Group 2 - Oil prices remained high, with Brent futures trading near $105 per barrel and West Texas Intermediate futures hovering around $97 [3] - The market is on edge due to the fast-moving Middle East conflict, with Iran continuing attacks on Persian Gulf neighbors, contributing to elevated oil prices [3] - Investors are assessing reports that the Trump administration may consider occupying or blockading Kharg Island, which is crucial for Iran's oil exports, to pressure Tehran regarding the Strait of Hormuz [2]