Advanced Micro Devices

(AMD) - Get Report

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

Other chipmakers were broadly lower, however.

Dallas Semiconductor

(DS) - Get Report

, 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

Intel

(INTC) - Get Report

was down 0.7%.

The

Semiconductor Index

(SOX)

was down 4.6%.