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Why AMD Stock Tumbled Today

Don't look now, but it may be time to sell AMD stock.

By Rich Smith Sep 18, 2025 at 11:30AM EST

Key Points

  • Intel and Nvidia are tying up -- and that's bad news for AMD.
  • AMD stock costs a pricey 95x earnings, and faces tougher competition in the artificial intelligence (AI) space going forward.

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