NEW YORK — Advanced Micro Devices Inc. shares tumbled more than 5% in midday trading Tuesday, falling to $434.59 as investors locked in gains following a sharp run-up in the artificial intelligence chipmaker's stock. The 5.27% decline, or $24.20 per share, came on elevated volume as the broader semiconductor sector faced selective selling amid concerns over elevated valuations and heavy capital spending across the industry.

AMD had surged to all-time highs near $460 in recent sessions after strong first-quarter results and bullish commentary on AI demand. The stock is still up dramatically year-to-date, but Tuesday's pullback highlights the volatility that has defined the name as it battles for share in the exploding data center market dominated by rival Nvidia.

Analysts largely view the dip as healthy profit-taking rather than a fundamental shift. AMD reported robust Q1 2026 earnings in early May, with data center revenue jumping significantly on MI300 and upcoming MI350 series accelerators. The company continues to secure major design wins with hyperscalers, including expanded deals with Meta and others for AI training and inference chips.

Strong Fundamentals Amid the Sell-Off

Despite today's decline, AMD's long-term outlook remains bright. Data center revenue has been the primary growth driver, fueled by demand for high-performance GPUs and CPUs tailored for AI workloads. The company's Instinct MI series accelerators are gaining........

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