Chip rout snowballs as semiconductor selloff reshapes investor sentiment across markets

The semiconductor trade that powered markets for the better part of two years just hit a wall. The MSCI World Semiconductor Index dropped roughly 13% in July 2026, turning what started as routine profit-taking into a full-blown sector rout that’s now bleeding into broader stock indices worldwide. The damage hasn’t been contained to any single geography. South Korea’s Kospi index suffered a staggering 11% single-day decline, driven heavily by losses in Samsung Electronics and SK Hynix. The Philadelphia Semiconductor Index, Wall Street’s go-to benchmark for chipmakers, fell more than 11% from its June 2026 record high. And perhaps most telling: semiconductor funds saw record outflows of around $11B during the week ending June 24, 2026, suggesting this isn’t just a bad week but a structural reassessment of the sector’s near-term prospects. What broke the AI chip narrative The cracks started forming before the July selloff technically began. Broadcom issued tempered AI-chip guidance that landed like a cold shower on a market conditioned to expect only good news from anything adjacent to artificial intelligence. The concerns are threefold. First, there’s the question of whether AI expen...