Tech Stocks in Motion

Shares of InterVideo(IVII) were among technology's losers Tuesday, falling 21% after the DVD software company posted second-quarter results that fell short of Wall Street expectations.

The company reported pro forma earnings of $2.1 million, or 15 cents a share, on sales of $27.6 million. Analysts polled by Thomson First Call were expecting earnings of 17 cents a share on sales of $28.3 million. A year ago the company earned $1.1 million, or 7 cents a share, on sales of $16.7 million.

Looking ahead, InterVideo forecast third-quarter pro forma earnings of 18 cents to 20 cents a share on sales of $27 million to $29 million. Analysts had been expecting earnings of 18 cents a share on higher sales of $32.2 million.

Separately, the company filed a patent infringement suit against Dell(DELL) that seeks to enjoin Dell from manufacturing, selling and offering to sell products that infringe on InterVideo's patent. The suit was filed in U.S. District Court for the Northern District of California. Shares were recently trading down $2.92 to $10.70.

Sonic Solutions(SNIC) rose 13% after the software company posted first-quarter results that topped expectations. The company reported earnings of $4 million, or 15 cents a share, on sales of $35.5 million. Excluding items, the company would have earned $5.1 million, or 18 cents a share. Analysts were expecting earnings of 14 cents a share on sales of $33.2 million. A year ago the company earned $4 million, or 16 cents a share, on sales of $17.9 million.

Looking ahead, Sonic Solutions forecast second-quarter earnings of 9 cents to 11 cents a share on sales of $30 million to $32 million. Analysts had been expecting earnings of 16 cents a share on sales of $33.7 million. For the third quarter, the company expects earnings of 42 cents to 46 cents a share on sales of $43 million to $47 million. Analysts had been expecting earnings of 40 cents a share on sales of $44.2 million. During the fourth quarter, the company forecast earnings of 54 cents to 58 cents a share on sales of $46 million to $50 million. Finally, analysts had been expecting earnings of 51 cents a share on sales of $48.9 million. Shares were recently trading up $2.42 to $20.43.