S&P 500 and Nasdaq Close Above 100-Day Lines as AI Chip Rally Lifts Week

Investor relief followed a reported U.S.–Iran ceasefire alongside upbeat TSMC data.

Overview

U.S. stocks ended mixed, with the S&P 500 and Nasdaq finishing above their 100-day moving averages, a trend gauge traders watch, while the Dow slipped back below that line.
The Dow fell 0.56% to 47,916.57, the S&P 500 eased 0.11% to 6,816.89, the Nasdaq rose 0.35% to 22,902.89, and the Russell 2000 slipped 0.22% to 2,630.58.
For the week, the Dow gained 3.04%, the S&P 500 rose 3.56%, the Nasdaq advanced 4.68%, and the Russell 2000 added 3.97%.
AI-focused chipmakers and data-center suppliers led the move, with Intel up 23.82%, Lam Research up 20.70%, Broadcom up 18.13%, Micron up 14.84%, Amazon up 13.64%, and AMD up 12.66%.
Intel’s surge reflected a $14.2 billion buyback tied to its Ireland fab, progress on its 18A manufacturing node, and stronger demand signals from new CEO Lip-Bu Tan.