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Cerebras IPO Surges Past Valuation Comfort Zone

Cerebras Systems completed the year's largest initial public offering Thursday, pricing shares at $185 before opening at $350 and closing at $311. The stock peaked at $386 during its debut session, valuing the chipmaker at roughly $95 billion.

The AI processor manufacturer, founded in 2015, claims to have built the largest commercial chip ever produced from a complete silicon wafer. Company specifications indicate its processors deliver up to 15 times faster performance than leading GPU alternatives for certain applications and more than 10 times faster speeds in specific AI training tasks.

Despite the compelling technology and strategic partnerships, CNBC's Jim Cramer cautioned investors against chasing shares at current levels. "I just can't even come close to justifying the valuation up here given how much it's already run right out of the gate," Cramer said on Mad Money. He recommended investors "keep your bat on your shoulder and hope the stock gives you a giant pullback."

Strategic partnerships bolster long-term growth prospects, including a $20 billion multiyear agreement with OpenAI for 750 megawatts of computing capacity and a recent deployment arrangement with Amazon Web Services. Both companies hold warrants for Cerebras equity.