Shares in Dell have risen almost 5% on the news that the computer giant's founder Michael Dell has returned to lead the firm out of its current woes.
The news that Mr Dell is returning to the chief executive position came as the firm warned its current quarterly results would miss market expectations.
Hit by disappointing profits, Dell is facing an increasing challenge from its main rival Hewlett-Packard.
Mr Dell founded Dell in 1984 while at college. He left the top job in 2004.
He did, however, remain as the company's chairman, a position he will now continue to keep alongside the chief executive job.
'New blood'
Mr Dell, 41, is replacing his successor Kevin Rollins, who leaves the firm with immediate effect.
Analysts said Mr Dell would have to work hard to turn the firm around.
"He has to bring in new blood," said Endpoint Technologies Associates analyst Roger Kay.
"They need to bring in new people who are creative, energetic, who can bring spice to the company."
Analysts said Mr Rollins had paid the price for sluggish profit growth.
Dell is also being investigated by US regulators over possible accountancy irregularities.
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