Updated from 4:18 p.m. EST


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shares slid Thursday on news that $280 million in expenses related to restructuring efforts and stock-option expenses would cut deeply into its fourth-quarter results.

Shares of the Round Rock, Texas-based firm closed down 8.6% to $9.95 Thursday, a day after the company said that $280 million in expenses would cut its earnings by 11 cents a share.

Dell said the expenses would include $135 million in restructuring efforts as part of a plan to cut $3 billion in expenses by 2011.

Another $145 million in stock-based compensation will go on the books when Dell delivers its fourth-quarter report on Feb. 26. Dell said those expenses will include $106 million for the accelerated vesting of stock options, and was effective Jan. 23.

Dell also said it will book a pretax charge of $145 million related to stock-based compensation. The figure includes $106 million related to its acceleration of vesting periods on certain stock options, covering 20.9 million shares.

For Dell followers, this is just one more piece of bad news. Earlier in January, AmTech Research


the stock, citing "multiple headwinds." That said, the firm also slapped new sell ratings on fellow tech giants


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(DELL) - Get Report


Dell, whose appearance at the recent Consumer Electronics Show was nothing short of underwhelming, has a luxury laptop in the works intended to target



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customers. Some critics have questioned the wisdom of introducing any luxury product in a dark economy that increasingly seems to favor the cheaper netbooks.

This article was written by a staff member of TheStreet.com.