IBM is set to buy Sun in the next few days, for between $9 and $10 a share, according to reports in the Wall Street Journal.
Sun's share price has fluctuated between $3.45 and $9.27 amid rumours of the imminent sale.
The company's high-end hardware business has struggled due to economic crisis, which has seen IT departments cut back on spending. Last month the company announced 1,500 jobs cut as part of its plans to slash costs.
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