Intel Setback Sparks $93 Billion Swing in Chipmaker Values

(Bloomberg) -- Intel Corp.’s revelation that a new chip production process suffered another delay sent its stock tumbling, erasing billions of dollars in market valuation and inflating the shares of rivals.

Intel fell 17% on Friday morning, erasing about $43 billion in market cap. The news sent shares of rival Advanced Micro Devices Inc. up 11%, creating almost $8 billion in market . Taiwan Semiconductor Manufacturing Co.’s American depositary receipts also gained 12%, adding more than $42 billion in market .

Intel had been neck-and-neck in recent weeks with Nvidia Corp. for the title of biggest market capitalization for a U.S. chipmaker. Friday’s plunge puts Nvidia firmly in the lead with a market of about $247 billion.

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