SiliconBeat

Shares of Sirf Technology, the maker of chips and software for global-positioning applications, sank to an all-time low Monday in the wake of late-breaking news on Friday that Sirf came out on the short end of an initial ruling by a judge with the U.S. International Trade Commission that found Sirf violated six patents held by Broadcom.

Sirf has struggled with slowing sales this year that have caused it to cut workers twice since March when the company’s co-founder, Diosdado Banatao, returned to serve as interim chief executive.

Sirf shares touched an all-time low of $2.15 Monday, before ending the day at $2.44, a new closing low. They have lost 90 percent of their value so far this year.