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Sun Microsystems shares rose in the extended trading more than 3% after company said on after market close, its board authorized the repurchase of up to $3 billion of the company's shares. The company said the repurchase plan is designed to increase shareholder value and reduce the dilutive effect of Sun's equity compensation programs. Looking at the chart and following the reaction of stock in after-hours, tomorrow stock will open in GAP UP and probably it will breakout the resistance at 5.30$.

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