Shares of Openwave Systems ( OPWV) were among technology's losers Thursday, tumbling 30% after the software company warned that fourth-quarter results would be well below Wall Street's forecast. For the period ended June 30, the company sees break-even adjusted earnings, which exclude items. The company expects to post revenue of $90 million to $92 million. Analysts polled by Thomson First Call project earnings of 22 cents a share on revenue of $122.1 million. For fiscal 2006, Openwave expects an adjusted profit of 55 cents a share on revenue of about $410 million. Analysts project earnings of 77 cents a share on revenue of $443 million. "While the results for the quarter are disappointing, overall the company has delivered a solid financial year," the company said. Shares were recently trading down $3.49 to $7.98. Sirius Satellite Radio ( SIRI) shares rose 3% after the company posted second-quarter subscriber numbers that more than doubled from a year earlier and bested the additions posted by rival XM Satellite Radio ( XMSR). Sirius added 600,460 net subscribers during the quarter, 64% above last-year's additions of 366,000. Sirius ended the quarter with 4.68 million subscribers, compared with 1.81 million a year earlier. XM, meanwhile added 398,000 subscribers during the second quarter, down from the 568,902 subscribers that it added during the first quarter. Overall, XM Satellite now has more than 6.89 million subscribers. XM shares were recently trading down 3 cents to $14.46. Sirius shares were up 14 cents to $4.62. Shares of Novatel Wireless ( NVTL) rose 2% after the telecom-gear company boosted its second-quarter revenue guidance. The company now estimates revenue of more than $44 million, up from an earlier forecast of $40 million to $42 million. Analysts project revenue of $41.3 million. "Our diversification strategy for new and existing product lines is resulting in higher than expected second quarter sales driven by multiple revenue drivers in both EMEA and North America markets," the company said. Novatel plans to issue second-quarter results on July 26. Shares were trading up 21 cents to $10.72.