The Nasdaq Composite reached a new all-time high of approximately 27,121 on September 21, surpassing the previous record of 27,093.90 set on June 2. Meanwhile, the S&P 500 index closed near 7,760.29, approaching its August peak.
Advanced Micro Devices saw its market capitalization exceed $1 trillion for the first time after shares rallied nearly 10% in a single session. Other major tech companies also recorded gains, with Intel and Arm Holdings rising more than 12% each, and Meta Platforms increasing by roughly 11% following analyst upgrades related to its Muse AI tool.
Macroeconomic factors contributed to the market performance, as the 10-year Treasury yield fell to approximately 4.976%. Additionally, Brent crude oil prices dropped toward $100.58 per barrel, a decline linked to diplomatic developments in the Middle East and scheduled high-level political meetings.
Market trends throughout 2025 and 2026 have shown a recurring pattern of volatility followed by recoveries driven by AI-focused technology stocks. AMD continues to expand its presence in the data center processor market and is positioning itself as a competitor to Nvidia in the AI accelerator sector.
