A broad market decline and a weak second-quarter revenue forecast from graphics chip maker Nvidia Corp. sank shares of some semiconductor stocks Friday afternoon.
Nvidia tumbled $1.89, or 13 percent, to $12.76. Intel Corp., the world's biggest provider of microprocessors for personal computers, fell 81 cents, or 3.6 percent, to $21.69, while Advanced Micro Devices Inc. fell 72 cents, or 7.6 percent, to $8.70.


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