was down 28.7% in preopen
trading. After Wednesday's close, the specialty chipmaker
lowered its guidance for fourth-quarter revenue, citing a sluggish November sales.
cut earnings estimates. Lehman Brothers also said that
, another specialty chipmaker, may lower revenue guidance on Monday. Xilinx lately was down 18.3%. In addition, Lehman downgraded
to neutral from outperform. The stock was down 14% preopen. Other semiconductor stocks were broadly lower.
was down 11%.
Advanced Micro Circuit
was down 11.5%.