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Advanced Micro Devices


was up 2.5% in late morning despite a warning of lower-than-expected earnings.

Other chipmakers were broadly lower, however.

Dallas Semiconductor


, which warned Monday night, was down 15.1%.

Triquint Semiconductor

, which was downgraded to hold from buy by

Credit Suisse First Boston

, was down 23.9%. Sector bellwether



was down 0.7%.


Semiconductor Index


was down 4.6%.