was down 15.8% in preopen
trading after it warned that fourth-quarter sales and earnings would fall short of expectations because of weakness in its semiconductor and personal communications businesses.
The mobile phone manufacturer said sales would be $10 billion and earnings per share would be 15 cents. The company's previous estimates were for sales of $10.5 billion and earnings of 27 cents per share. The
First Call/Thomson Financial
estimate is also 27 cents.