Shares of SeaChange International ( SEAC) were among technology's losers Wednesday, slumping 12% after the digital video systems company posted fourth-quarter results that were below expectations. The company posted a loss of $2.9 million, or 10 cents a share, on sales of $33.2 million. Analysts surveyed by Thomson First Call expected a loss of 6 cents a share on sales of $34.8 million. During the year-earlier period, the company reported a loss of $2.2 million, or 8 cents a share, on sales of $30 million. Looking ahead, the company said that it is optimistic about fiscal 2007. "With the changes in our business and the changes in the market, we are confident that the upward trend we're seeing will continue as we look out to fiscal year 2007. We expect revenues to be significantly higher in fiscal '07 which will return the company to positive cash flow generation," the company said. Shares were trading down $1.02 to $7.29. Lexar Media ( LEXR) traded actively after the maker of flash-memory products posted mixed fourth-quarter results. The company reported a loss of $23.8 million, or 29 cents a share, on revenue of $239.1 million. Analysts expected a smaller loss of 16 cents a share on revenue of $235.8 million. The company, which recently agreed to be acquired by Micron Technology ( MU), posted a loss of $63.3 million, or 80 cents a share, on revenue of $188.5 million during the year-earlier quarter. Shares were recently trading up 11 cents to $8.81. Shares of Scientific Technologies ( STIZ) soared 21% after the company swung to a fourth-quarter profit and posted a 25% increase in sales. The company posted earnings of $1.2 million, or 12 cents a share, on sales of $16.9 million. During the year-earlier period, the company reported a loss of $4.8 million, or 50 cents a share, on sales of $13.5 million. Results during the year-earlier quarter included an asset impairment charge of $4.8 million and a commission expense of about $600,000 that was part of a legal settlement with a former sales representative. Shares were trading up $1.55 to $8.60.