Shares of Sigma Designs ( SIGM) rose 7% after the digital media processor company posted second-quarter revenue that was well above analysts' expectations. For the period ended July 29, the company reported revenue of $20.1 million, compared with analysts' forecast of $17.9 million. During the year-earlier quarter, the company posted revenue of $8 million.

Sigma didn't release its earnings because of an ongoing investigation into its stock-options practices. As a result of the investigation, the company also said that it may not be able to file its second-quarter report with the Securities and Exchange Commission before the filing deadline. Analysts project second-quarter earnings of 3 cents a share. Shares were trading at $12.57, up 82 cents.

Other technology movers included Intel ( INTC), down 8 cents to $19.60; Lucent Technologies ( LU), up 7 cents to $2.37; Apple Computer ( AAPL), up 70 cents to $67.18; Novell ( NOVL), down 24 cents to $6.54; Cisco Systems ( CSCO), down 7 cents to $21.61; JDSU ( JDSU), up 2 cents to $2.66; Microsoft ( MSFT), down 9 cents to $25.75; Applied Materials ( AMAT), down 1 cent to $16.68; and Oracle ( ORCL), up 3 cents to $15.55.

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