Symbol Technologies (SBL) was down 24.1% in preopen Instinet trading after the company warned late Monday its second-quarter earnings would be 3 cents a share, down from 16 cents in the same period last year, on revenue flat with the year-ago period at $341.4 million.

Analysts were expecting the company to earn 15 cents a share, according to

Thomson Financial/First Call

. The bar-code scanner company blamed slower capital spending worldwide. Credit Suisse First Boston this morning downgraded the stock to hold from buy.

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